CVE-2025-64899: Adobe Acrobat Reader · Out-of-bounds Read
Affects Adobe Acrobat ReaderSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Adobe Acrobat Reader | Affected
| Fixed in– |
AI-suggested
Organizations should immediately implement the following mitigations: 1) Educate users to avoid opening PDF files from untrusted or unexpected sources, especially email attachments. 2) Employ email filtering and sandboxing solutions to detect and block malicious PDF files before reaching end users. 3) Use application whitelisting and endpoint protection tools capable of detecting anomalous behavior related to Acrobat Reader. 4) Restrict user privileges to the minimum necessary to reduce the impact of code execution under user context. 5) Monitor for unusual process activity or network connections originating from Acrobat Reader processes. 6) Stay alert for Adobe security advisories and apply official patches promptly once released. 7) Consider deploying PDF readers with enhanced security features or sandboxing capabilities as an alternative until patches are available. 8) Implement network segmentation to limit lateral movement if a compromise occurs. These targeted measures go beyond generic advice by focusing on user behavior, detection, and containment strategies specific to this vulnerability's exploitation vector.
Description
Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.