CVE-2026-48373 (GCVE-0-2026-48373)
Vulnerability from cvelistv5 – Published: 2026-07-17 19:29 – Updated: 2026-07-17 19:29
VLAI
EPSS
VEX
Title
Acrobat Reader | Heap-based Buffer Overflow (CWE-122)
Summary
Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 24.001.30365
(semver)
Affected: 0 , ≤ 26.001.21651 (semver) |
Date Public
2026-06-09 17:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "Acrobat Reader",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "24.001.30365",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "26.001.21651",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-06-09T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 7.8,
"environmentalSeverity": "HIGH",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "LOCAL",
"modifiedAvailabilityImpact": "HIGH",
"modifiedConfidentialityImpact": "HIGH",
"modifiedIntegrityImpact": "HIGH",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "REQUIRED",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 7.8,
"temporalSeverity": "HIGH",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "Heap-based Buffer Overflow (CWE-122)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-17T19:29:39.303Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/acrobat/apsb26-63.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Acrobat Reader | Heap-based Buffer Overflow (CWE-122)",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2026-48373",
"datePublished": "2026-07-17T19:29:39.303Z",
"dateReserved": "2026-05-21T15:28:38.141Z",
"dateUpdated": "2026-07-17T19:29:39.303Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-48373\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2026-07-17T20:17:21.290\",\"lastModified\":\"2026-07-17T20:17:21.290\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.\"}],\"affected\":[{\"source\":\"psirt@adobe.com\",\"affectedData\":[{\"vendor\":\"Adobe\",\"product\":\"Acrobat Reader\",\"defaultStatus\":\"affected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"24.001.30365\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThanOrEqual\":\"26.001.21651\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb26-63.html\",\"source\":\"psirt@adobe.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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