ZDI-26-668: Adobe Acrobat Reader DC Annotation Use-After-Free Information Disclosure Vulnerability
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 5.5
- EPSS
- 0%
Key insight
Adobe Acrobat Reader DC is in the company tech stack; CVE-2026-81984 is a use-after-free vulnerability requiring user interaction with CVSS 3.3 (low severity).
Description
CVE-2026-81984 is a use-after-free vulnerability in Adobe Acrobat Reader DC that allows remote attackers to disclose sensitive information on affected installations. Exploitation requires user interaction, such as visiting a malicious page or opening a crafted file. The CVSS rating is 3.3 (low), indicating limited practical impact.
Risk score
- cvss base
- 55.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 15.00
- raw before weight
- 70.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational