CVE-2025-54257: Adobe Acrobat Reader · Use After Free
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
- 0.3% chance of exploitation in 30 days – higher than 25% 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 Sep 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
To mitigate CVE-2025-54257, organizations should implement the following specific measures: 1) Monitor Adobe's official channels for patches and apply updates immediately once available, as no patches are currently listed but are expected. 2) Employ application whitelisting to restrict execution of unauthorized code and limit the impact of exploitation. 3) Configure email gateways and endpoint security solutions to detect and block malicious PDF files, leveraging advanced threat protection and sandboxing technologies. 4) Educate users about the risks of opening unsolicited or suspicious PDF attachments, emphasizing cautious handling of email content. 5) Use PDF readers with enhanced security features or sandboxing capabilities as an interim measure. 6) Implement network segmentation to limit lateral movement if a system is compromised. 7) Regularly back up critical data and verify backup integrity to recover from potential ransomware or destructive attacks stemming from exploitation. 8) Employ endpoint detection and response (EDR) tools to identify anomalous behavior indicative of exploitation attempts. These targeted actions go beyond generic advice by focusing on user education, proactive detection, and containment strategies specific to PDF-based attack vectors.
Description
Acrobat Reader versions 24.001.30254, 20.005.30774, 25.001.20672 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file, and scope is unchanged.