SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-81977

Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could lead to disclosure of sensitive memory.

MEDIUM 5.5EPSS 0.17%

Does this matter?

Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.

Description

Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) 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 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
0.17% probability · 7th percentile
CISA KEV
Not listed
Weakness
CWE-191
Affected
adobe/acrobat · adobe/acrobat dc · adobe/acrobat reader dc
Source
psirt@adobe.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.