CVE-2026-81992

Acrobat Reader | Heap-based Buffer Overflow (CWE-122)

Published Sep 8, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

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.

Analysis

Technical impact

A heap-based buffer overflow has been discovered in Adobe Acrobat Reader and Adobe Acrobat. The flaw allows an attacker to execute arbitrary code within the victim’s user context when a malicious file is opened, potentially leading to data compromise, system takeover, or further lateral movement.

Affected Systems

Affected products are Adobe Acrobat 2024 and Adobe Acrobat Reader, all current releases of these packages are vulnerable until a patch is applied.

Risk and Exploitability

The CVSS score of 7.8 indicates a high severity vulnerability. Exploitation requires the user to interact by opening a crafted PDF, which is why the attack likelihood depends on user behavior and the presence of file restrictions. The EPSS score is not available and the issue is not listed in the CISA KEV catalog, so there is no documented public exploitation yet, but the high impact and reasonable ease of delivery warrant urgent attention.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Adobe

Adobe Acrobat

unaffected

Version	Status	Constraints
`0`	affected	≤ 26.002.21900
`26.002.21901`	unaffected	—

Adobe

Acrobat Reader

unaffected

Version	Status	Constraints
`0`	affected	≤ 26.002.21900
`26.002.21901`	unaffected	—

Adobe

Acrobat 2024

unaffected

Version	Status	Constraints
`0`	affected	≤ 24.001.30383
`24.001.30429`	unaffected	—

Configuration 1 [-]

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:-:::::::*

No data.

Vendor Product Versions

Adobe

Acrobat

Version	Status	Scheme	Platform
`[0,26.002.21900]`	affected	generic	—
`26.002.21901`	unaffected	generic	—

Adobe

Acrobat 2024

Version	Status	Scheme	Platform
`[0,24.001.30383]`	affected	generic	—
`24.001.30429`	unaffected	generic	—

Adobe

Acrobat Reader

Version	Status	Scheme	Platform
`[0,26.002.21900]`	affected	generic	—
`26.002.21901`	unaffected	generic	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Apply the latest Adobe Acrobat Reader update that resolves the heap overflow problem.
Configure Acrobat to disallow JavaScript and reduce automatic execution of content in PDFs if not required for legitimate use.
Enforce strict file trusted list policies and scan incoming PDF documents with antivirus or sandboxing tools before they are opened by end users.

Generated by OpenCVE AI on September 9, 2026 at 09:14 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.337% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://helpx.adobe.com/security/products/acrobat/apsb26-141.html

History

Sep 10, 2026 9:30 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Adobe acrobat 2024 Adobe acrobat Reader
Vendors & Products		Adobe acrobat 2024 Adobe acrobat Reader

Sep 10, 2026 4:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Adobe Adobe acrobat Adobe acrobat Dc Adobe acrobat Reader Dc Apple Apple macos Microsoft Microsoft windows
CPEs		cpe:2.3:a:adobe:acrobat:::::classic:::* cpe:2.3:a:adobe:acrobat_dc:::::continuous:::* cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::* cpe:2.3:o:apple:macos:-:::::::* cpe:2.3:o:microsoft:windows:-:::::::*
Vendors & Products		Adobe Adobe acrobat Adobe acrobat Dc Adobe acrobat Reader Dc Apple Apple macos Microsoft Microsoft windows

Sep 10, 2026 1:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Sep 8, 2026 8:45 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
Title		Acrobat Reader \| Heap-based Buffer Overflow (CWE-122)
Weaknesses		CWE-122
References		https://helpx.adobe.com/security/products/acrobat/apsb26-141.html
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}`