CVE-2026-81993

Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://helpx.adobe.com/security/products/acrobat/apsb26-141.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:adobe:acrobat:::::classic:::*
	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

No history.

Information

Published : 2026-09-08 21:18

Updated : 2026-09-10 13:26

NVD link : CVE-2026-81993

Mitre link : CVE-2026-81993

CVE.ORG link : CVE-2026-81993

JSON object : View

Products Affected

microsoft

windows

adobe

acrobat_reader_dc
acrobat
acrobat_dc

apple

macos

CWE

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2026-81993", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81993", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-09T13:50:27.013790Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "psirt@adobe.com", "affectedData": [{"vendor": "Adobe", "product": "Adobe Acrobat", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "26.002.21900"}, {"status": "unaffected", "version": "26.002.21901", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Adobe", "product": "Acrobat Reader", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "26.002.21900"}, {"status": "unaffected", "version": "26.002.21901", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Adobe", "product": "Acrobat 2024", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "24.001.30383"}, {"status": "unaffected", "version": "24.001.30429", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-08T21:18:46.103", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb26-141.html", "tags": ["Vendor Advisory"], "source": "psirt@adobe.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "lastModified": "2026-09-10T13:26:55.793", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "A6C6B745-7D94-43D9-BD26-1B26EE34DED4", "versionEndExcluding": "24.001.30429", "versionStartIncluding": "24.001.20604"}, {"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "B9192F4D-A119-46C4-A167-F500ACB3ACAB", "versionEndExcluding": "26.002.21901", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "2FEAAE8A-F164-4DCA-8F08-9BC646831744", "versionEndExcluding": "26.002.21901", "versionStartIncluding": "15.008.20082"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "psirt@adobe.com"}