Description
Acrobat Reader is affected by an out-of-bounds read 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.
Published: 2026-09-08
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Information Disclosure
Action: Patch
AI Analysis

Impact

Adobe Acrobat Reader contains an out‑of‑bounds read flaw that can expose sensitive data from memory if a user opens a crafted file. The weakness belongs to CWE‑125 and may reveal confidential information to an attacker. The impact is limited to the information disclosed and does not grant code execution or broader system compromise.

Affected Systems

The flaw affects Adobe Acrobat 2024, Adobe Acrobat Reader, and the generic Adobe Acrobat product line. Version details are not specified in the advisory, so all identified variants could be vulnerable until a patch is applied.

Risk and Exploitability

The CVSS score of 5.5 indicates moderate risk; the EPSS score is not available, and the vulnerability is not listed in the CISA KEV catalog. Exploitation requires user interaction— the victim must open a malicious file. Thus the risk is primarily driven by user awareness and the presence of an up‑to‑date security update.

Generated by OpenCVE AI on September 9, 2026 at 09:16 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Install the latest Adobe Acrobat Reader update that resolves the out‑of‑bounds read vulnerability.
  • Configure Adobe Reader to use sandboxing or protection mode and disable automatic opening of remote attachments.
  • Educate users to avoid opening unknown or suspicious PDF files and verify file signatures where possible.
  • If a patch is not immediately available, enforce strict file handling policies in the endpoint protection solution to block or quarantine malicious PDFs.

Generated by OpenCVE AI on September 9, 2026 at 09:16 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 11 Sep 2026 04:45:00 +0000

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

Thu, 10 Sep 2026 15:15:00 +0000

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

Wed, 09 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description Acrobat Reader is affected by an out-of-bounds read 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.
Title Acrobat Reader | Out-of-bounds Read (CWE-125)
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}


Subscriptions

Adobe Acrobat Acrobat 2024 Acrobat Dc Acrobat Reader Acrobat Reader Dc
Apple Macos
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: adobe

Published:

Updated: 2026-09-09T13:58:39.491Z

Reserved: 2026-08-27T21:20:45.364Z

Link: CVE-2026-81978

cve-icon Vulnrichment

Updated: 2026-09-09T13:54:02.168Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T21:18:44.270

Modified: 2026-09-10T15:09:01.650

Link: CVE-2026-81978

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T04:30:19Z

Weaknesses