What’s Vulnerable › Vulnerabilities
CVE-2026-81978: Acrobat Reader | Out-of-bounds Read (CWE-125)
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-09-10
- Weakness: CWE-125
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.
Affected products
- Adobe Acrobat for Edge: 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: from 15.008.20082 before 26.002.21901 — fixed in 26.002.21901
How to fix
Upgrade to a fixed version: Adobe Acrobat for Edge 24.001.30429; Adobe Acrobat DC 26.002.21901; Adobe Acrobat Reader 26.002.21901. Check the vendor advisory for mitigations.
References
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