CVE-2026-81993

Published Sep 8, 2026

Last updated 12 days ago

CVSS medium 5.5

Overview

Description
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.
Source
psirt@adobe.com
NVD status
Analyzed
Products
acrobat, acrobat_dc, acrobat_reader_dc

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.5
Impact score
3.6
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

psirt@adobe.com
CWE-122

Social media

Hype score
Not currently trending

Configurations

Related CVEs

  1. Acrobat Reader is affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.•CVE-2026-82001
  2. Acrobat Reader is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain elevated access. Exploitation of this issue does not require user interaction. Scope is changed.•CVE-2026-81996
  3. Acrobat Reader is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.•CVE-2026-81997
  4. Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.•CVE-2026-81994
  5. Acrobat Reader is affected by a Use After Free 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.•CVE-2026-81989

References

Sources include official advisories and independent security research.