Search criteria
ⓘ
Use full-text search for keyword queries.
Combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by dates instead of relevance.
2 vulnerabilities found for Claude Desktop - Windows by Anthropic
CVE-2026-22561 (GCVE-0-2026-22561)
Vulnerability from nvd – Published: 2026-03-31 15:30 – Updated: 2026-03-31 18:13
VLAI?
Summary
Uncontrolled search path elements in Anthropic Claude for Windows installer (Claude Setup.exe) versions prior to 1.1.3363 allow local privilege escalation via DLL search-order hijacking. The installer loads DLLs (e.g., profapi.dll) from its own directory after UAC elevation, enabling arbitrary code execution if a malicious DLL is planted alongside the installer.
Severity ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Anthropic | Claude Desktop - Windows |
Affected:
0 , < 1.1.3363
(semver)
|
Credits
Kazuma Matsumoto, a security reseaercher at GMO Cybersecurity by IERAE, Inc
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-22561",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T16:27:37.909291Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T16:33:12.314Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Claude Desktop - Windows",
"vendor": "Anthropic",
"versions": [
{
"lessThan": "1.1.3363",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Kazuma Matsumoto, a security reseaercher at GMO Cybersecurity by IERAE, Inc"
}
],
"descriptions": [
{
"lang": "en",
"value": "Uncontrolled search path elements in Anthropic Claude for Windows installer (Claude Setup.exe) versions prior to 1.1.3363 allow local privilege escalation via DLL search-order hijacking. The installer loads DLLs (e.g., profapi.dll) from its own directory after UAC elevation, enabling arbitrary code execution if a malicious DLL is planted alongside the installer."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
"version": "4.0"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T18:13:52.328Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://trust.anthropic.com/resources?s=1cvig6ldp3zvuj1yffzr11\u0026name=cve-2026-22561-dll-search-order-hijacking-in-claude-for-windows-installer"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2026-22561",
"datePublished": "2026-03-31T15:30:38.876Z",
"dateReserved": "2026-01-07T15:39:03.440Z",
"dateUpdated": "2026-03-31T18:13:52.328Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-22561 (GCVE-0-2026-22561)
Vulnerability from cvelistv5 – Published: 2026-03-31 15:30 – Updated: 2026-03-31 18:13
VLAI?
Summary
Uncontrolled search path elements in Anthropic Claude for Windows installer (Claude Setup.exe) versions prior to 1.1.3363 allow local privilege escalation via DLL search-order hijacking. The installer loads DLLs (e.g., profapi.dll) from its own directory after UAC elevation, enabling arbitrary code execution if a malicious DLL is planted alongside the installer.
Severity ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Anthropic | Claude Desktop - Windows |
Affected:
0 , < 1.1.3363
(semver)
|
Credits
Kazuma Matsumoto, a security reseaercher at GMO Cybersecurity by IERAE, Inc
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-22561",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T16:27:37.909291Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T16:33:12.314Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Claude Desktop - Windows",
"vendor": "Anthropic",
"versions": [
{
"lessThan": "1.1.3363",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Kazuma Matsumoto, a security reseaercher at GMO Cybersecurity by IERAE, Inc"
}
],
"descriptions": [
{
"lang": "en",
"value": "Uncontrolled search path elements in Anthropic Claude for Windows installer (Claude Setup.exe) versions prior to 1.1.3363 allow local privilege escalation via DLL search-order hijacking. The installer loads DLLs (e.g., profapi.dll) from its own directory after UAC elevation, enabling arbitrary code execution if a malicious DLL is planted alongside the installer."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
"version": "4.0"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T18:13:52.328Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://trust.anthropic.com/resources?s=1cvig6ldp3zvuj1yffzr11\u0026name=cve-2026-22561-dll-search-order-hijacking-in-claude-for-windows-installer"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2026-22561",
"datePublished": "2026-03-31T15:30:38.876Z",
"dateReserved": "2026-01-07T15:39:03.440Z",
"dateUpdated": "2026-03-31T18:13:52.328Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}