ZDI-26-671: Adobe Acrobat Reader DC Dialog Object Type Confusion Remote Code Execution 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
- 7.8
- EPSS
- 0%
Key insight
Type confusion vulnerability in Adobe Acrobat Reader DC enables remote code execution through opening malicious PDFs or visiting prepared web pages.
Description
A type confusion vulnerability in Adobe Acrobat Reader DC (CVE-2026-80161, CVSS 7.8) enables execution of arbitrary code on affected systems. Exploitation requires user interaction,opening a malicious PDF file or visiting a crafted web page. This vulnerability affects environments processing PDF files or receiving them from external sources. Status: Public disclosure by ZDI.
Risk score
- cvss base
- 78.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 15.00
- raw before weight
- 93.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational
MITRE ATT&CK mapping
1 TTPProcedure details
| Technique | Tactic | Procedure | Conf. | Source |
|---|---|---|---|---|
| T1203 Exploitation for Client Execution | Execution | An attacker crafts a malicious PDF document or hosts a malicious webpage that exploits a type confusion vulnerability in Adobe Acrobat Reader DC's dialog object handling, leading to arbitrary code execution when the victim opens the file or visits the page. | high | llm |