CVE-2025-5280: Google Chrome · Out-of-bounds Write
Affects Google ChromeSource CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 2.7% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 May 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 |
|---|---|---|
| Google Chrome | Affected
| Fixed in– |
AI-suggested
- Immediately update Google Chrome to version 137.0.7151.55 or later once patches are available to remediate the vulnerability.
- Employ enterprise browser management tools to enforce timely updates and prevent use of vulnerable versions.
- Use web content filtering and URL reputation services to block access to known malicious sites.
- Implement network-level protections such as intrusion detection/prevention systems (IDS/IPS) to detect and block exploit attempts targeting this vulnerability.
- Educate users about the risks of visiting untrusted websites and encourage cautious browsing behavior to reduce the likelihood of triggering the exploit.
- Enable Chrome’s built-in security features such as site isolation, sandboxing, and strict content security policies to limit the impact of potential exploitation.
- Monitor security advisories from Google and threat intelligence sources for updates on exploit availability and additional mitigation guidance.
- Consider deploying endpoint detection and response (EDR) solutions capable of detecting anomalous browser behavior indicative of exploitation attempts.
Description
Out of bounds write in V8 in Google Chrome prior to 137.0.7151.55 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)