CVE-2026-81993: Adobe Acrobat

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Adobe Acrobat: from 24.001.20604, before 24.001.30429 (fixed in 24.001.30429)
• Adobe Acrobat DC: from 15.008.20082, before 26.002.21901 (fixed in 26.002.21901)
• Adobe Acrobat Reader DC: from 15.008.20082, before 26.002.21901 (fixed in 26.002.21901)

Published 2026-09-08. Last modified 2026-09-10.