THREAT OPS › Threat News › [NVD] CVE-2026-81977 (MEDIUM 5.5) — 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
[NVD] CVE-2026-81977 (MEDIUM 5.5) — 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
CVE-2026-81977 CVSS: 5.5 MEDIUM Published: 2026-09-08T21:18:44.137
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.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-81977cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-81977