MSRC_CVE-2025-26667
Vulnerability from csaf_microsoft - Published: 2025-04-08 07:00 - Updated: 2025-04-08 07:00Summary
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-200
- Exposure of Sensitive Information to an Unauthorized Actor
Vendor Fix
10.0.17763.7136:Security Update:https://support.microsoft.com/help/5055519
https://support.microsoft.com/help/5055519
Vendor Fix
10.0.20348.3453:Security Update:https://support.microsoft.com/help/5055526
https://support.microsoft.com/help/5055526
Vendor Fix
10.0.26100.3775:Security Update:https://support.microsoft.com/help/5055523
https://support.microsoft.com/help/5055523
Vendor Fix
10.0.25398.1551:Security Update:https://support.microsoft.com/help/5055527
https://support.microsoft.com/help/5055527
Vendor Fix
10.0.14393.7969:Security Update:https://support.microsoft.com/help/5055521
https://support.microsoft.com/help/5055521
Vendor Fix
6.0.6003.23220:Monthly Rollup:https://support.microsoft.com/help/5055609
https://support.microsoft.com/help/5055609
Vendor Fix
6.0.6003.23220:Security Only:https://support.microsoft.com/help/5055596
https://support.microsoft.com/help/5055596
Vendor Fix
6.1.7601.27670:Monthly Rollup:https://support.microsoft.com/help/5055561
https://support.microsoft.com/help/5055561
Vendor Fix
6.1.7601.27670:Security Only:https://support.microsoft.com/help/5055570
https://support.microsoft.com/help/5055570
Vendor Fix
6.2.9200.25423:Monthly Rollup:https://support.microsoft.com/help/5055581
https://support.microsoft.com/help/5055581
Vendor Fix
6.3.9600.22523:Monthly Rollup:https://support.microsoft.com/help/5055557
https://support.microsoft.com/help/5055557
References
Acknowledgments
Anonymous
{
"document": {
"acknowledgments": [
{
"names": [
"Anonymous"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2025-26667 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26667"
},
{
"category": "self",
"summary": "CVE-2025-26667 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-26667.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability",
"tracking": {
"current_release_date": "2025-04-08T07:00:00.000Z",
"generator": {
"date": "2026-01-06T16:33:40.833Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2025-26667",
"initial_release_date": "2025-04-08T07:00:00.000Z",
"revision_history": [
{
"date": "2025-04-08T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.17763.7136",
"product": {
"name": "Windows Server 2019 \u003c10.0.17763.7136",
"product_id": "7"
}
},
{
"category": "product_version",
"name": "10.0.17763.7136",
"product": {
"name": "Windows Server 2019 10.0.17763.7136",
"product_id": "11571"
}
}
],
"category": "product_name",
"name": "Windows Server 2019"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.17763.7136",
"product": {
"name": "Windows Server 2019 (Server Core installation) \u003c10.0.17763.7136",
"product_id": "6"
}
},
{
"category": "product_version",
"name": "10.0.17763.7136",
"product": {
"name": "Windows Server 2019 (Server Core installation) 10.0.17763.7136",
"product_id": "11572"
}
}
],
"category": "product_name",
"name": "Windows Server 2019 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.20348.3453",
"product": {
"name": "Windows Server 2022 \u003c10.0.20348.3453",
"product_id": "5"
}
},
{
"category": "product_version",
"name": "10.0.20348.3453",
"product": {
"name": "Windows Server 2022 10.0.20348.3453",
"product_id": "11923"
}
}
],
"category": "product_name",
"name": "Windows Server 2022"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.20348.3453",
"product": {
"name": "Windows Server 2022 (Server Core installation) \u003c10.0.20348.3453",
"product_id": "4"
}
},
{
"category": "product_version",
"name": "10.0.20348.3453",
"product": {
"name": "Windows Server 2022 (Server Core installation) 10.0.20348.3453",
"product_id": "11924"
}
}
],
"category": "product_name",
"name": "Windows Server 2022 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.26100.3775",
"product": {
"name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.3775",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "10.0.26100.3775",
"product": {
"name": "Windows Server 2025 (Server Core installation) 10.0.26100.3775",
"product_id": "12437"
}
}
],
"category": "product_name",
"name": "Windows Server 2025 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.25398.1551",
"product": {
"name": "Windows Server 2022, 23H2 Edition (Server Core installation) \u003c10.0.25398.1551",
"product_id": "3"
}
},
{
"category": "product_version",
"name": "10.0.25398.1551",
"product": {
"name": "Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1551",
"product_id": "12244"
}
}
],
"category": "product_name",
"name": "Windows Server 2022, 23H2 Edition (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.26100.3775",
"product": {
"name": "Windows Server 2025 \u003c10.0.26100.3775",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "10.0.26100.3775",
"product": {
"name": "Windows Server 2025 10.0.26100.3775",
"product_id": "12436"
}
}
],
"category": "product_name",
"name": "Windows Server 2025"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.14393.7969",
"product": {
"name": "Windows Server 2016 \u003c10.0.14393.7969",
"product_id": "9"
}
},
{
"category": "product_version",
"name": "10.0.14393.7969",
"product": {
"name": "Windows Server 2016 10.0.14393.7969",
"product_id": "10816"
}
}
],
"category": "product_name",
"name": "Windows Server 2016"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.14393.7969",
"product": {
"name": "Windows Server 2016 (Server Core installation) \u003c10.0.14393.7969",
"product_id": "8"
}
},
{
"category": "product_version",
"name": "10.0.14393.7969",
"product": {
"name": "Windows Server 2016 (Server Core installation) 10.0.14393.7969",
"product_id": "10855"
}
}
],
"category": "product_name",
"name": "Windows Server 2016 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2 \u003c6.0.6003.23220",
"product_id": "19"
}
},
{
"category": "product_version",
"name": "6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23220",
"product_id": "9312"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23220",
"product_id": "14"
}
},
{
"category": "product_version",
"name": "6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23220",
"product_id": "10287"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for x64-based Systems Service Pack 2 \u003c6.0.6003.23220",
"product_id": "18"
}
},
{
"category": "product_version",
"name": "6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23220",
"product_id": "9318"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 for x64-based Systems Service Pack 2"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23220",
"product_id": "17"
}
},
{
"category": "product_version",
"name": "6.0.6003.23220",
"product": {
"name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23220",
"product_id": "9344"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.1.7601.27670",
"product": {
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 \u003c6.1.7601.27670",
"product_id": "15"
}
},
{
"category": "product_version",
"name": "6.1.7601.27670",
"product": {
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27670",
"product_id": "10051"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.1.7601.27670",
"product": {
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \u003c6.1.7601.27670",
"product_id": "16"
}
},
{
"category": "product_version",
"name": "6.1.7601.27670",
"product": {
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27670",
"product_id": "10049"
}
}
],
"category": "product_name",
"name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.2.9200.25423",
"product": {
"name": "Windows Server 2012 \u003c6.2.9200.25423",
"product_id": "13"
}
},
{
"category": "product_version",
"name": "6.2.9200.25423",
"product": {
"name": "Windows Server 2012 6.2.9200.25423",
"product_id": "10378"
}
}
],
"category": "product_name",
"name": "Windows Server 2012"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.2.9200.25423",
"product": {
"name": "Windows Server 2012 (Server Core installation) \u003c6.2.9200.25423",
"product_id": "12"
}
},
{
"category": "product_version",
"name": "6.2.9200.25423",
"product": {
"name": "Windows Server 2012 (Server Core installation) 6.2.9200.25423",
"product_id": "10379"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 \u003c6.3.9600.22523",
"product_id": "11"
}
},
{
"category": "product_version",
"name": "6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 6.3.9600.22523",
"product_id": "10483"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 R2"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 (Server Core installation) \u003c6.3.9600.22523",
"product_id": "10"
}
},
{
"category": "product_version",
"name": "6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 (Server Core installation) 6.3.9600.22523",
"product_id": "10543"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 R2 (Server Core installation)"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-26667",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.",
"title": "What type of information could be disclosed by this vulnerability?"
},
{
"category": "faq",
"text": "This attack requires an admin user on the client to connect to a malicious server and then take specific actions which could result in information disclosure.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"category": "faq",
"text": "This attack requires a client to connect to a malicious server, and that could allow the attacker to gain code execution on the client.",
"title": "According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution?"
}
],
"product_status": {
"fixed": [
"9312",
"9318",
"9344",
"10049",
"10051",
"10287",
"10378",
"10379",
"10483",
"10543",
"10816",
"10855",
"11571",
"11572",
"11923",
"11924",
"12244",
"12436",
"12437"
],
"known_affected": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2025-26667 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26667"
},
{
"category": "self",
"summary": "CVE-2025-26667 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-26667.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.17763.7136:Security Update:https://support.microsoft.com/help/5055519",
"product_ids": [
"7",
"6"
],
"url": "https://support.microsoft.com/help/5055519"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.20348.3453:Security Update:https://support.microsoft.com/help/5055526",
"product_ids": [
"5",
"4"
],
"url": "https://support.microsoft.com/help/5055526"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.26100.3775:Security Update:https://support.microsoft.com/help/5055523",
"product_ids": [
"1",
"2"
],
"url": "https://support.microsoft.com/help/5055523"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.25398.1551:Security Update:https://support.microsoft.com/help/5055527",
"product_ids": [
"3"
],
"url": "https://support.microsoft.com/help/5055527"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.14393.7969:Security Update:https://support.microsoft.com/help/5055521",
"product_ids": [
"9",
"8"
],
"url": "https://support.microsoft.com/help/5055521"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.0.6003.23220:Monthly Rollup:https://support.microsoft.com/help/5055609",
"product_ids": [
"19",
"14",
"18",
"17"
],
"url": "https://support.microsoft.com/help/5055609"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.0.6003.23220:Security Only:https://support.microsoft.com/help/5055596",
"product_ids": [
"19",
"14",
"18",
"17"
],
"url": "https://support.microsoft.com/help/5055596"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.1.7601.27670:Monthly Rollup:https://support.microsoft.com/help/5055561",
"product_ids": [
"15",
"16"
],
"url": "https://support.microsoft.com/help/5055561"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.1.7601.27670:Security Only:https://support.microsoft.com/help/5055570",
"product_ids": [
"15",
"16"
],
"url": "https://support.microsoft.com/help/5055570"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.2.9200.25423:Monthly Rollup:https://support.microsoft.com/help/5055581",
"product_ids": [
"13",
"12"
],
"url": "https://support.microsoft.com/help/5055581"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.3.9600.22523:Monthly Rollup:https://support.microsoft.com/help/5055557",
"product_ids": [
"11",
"10"
],
"url": "https://support.microsoft.com/help/5055557"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 5.7,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19"
]
}
],
"threats": [
{
"category": "impact",
"details": "Information Disclosure"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability"
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…