PatchSiren cyber security CVE debrief
CVE-2026-5912 Google CVE debrief
CVE-2026-5912 is an integer overflow vulnerability in WebRTC in Google Chrome prior to 147.0.7727.55. This vulnerability allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. The Chromium security severity is rated as Low. The vulnerability affects the WebRTC component used for real-time communication in Google Chrome. This type of vulnerability could potentially be used by attackers to execute arbitrary code on affected systems if exploited.
- Vendor
- Product
- Chrome
- CVSS
- HIGH 8.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-04-08
- Original CVE updated
- 2026-07-24
- Advisory published
- 2026-04-08
- Advisory updated
- 2026-07-24
Who should care
Users of Google Chrome prior to version 147.0.7727.55 should update to the latest version to mitigate this vulnerability. This vulnerability could potentially be used by attackers to execute arbitrary code on affected systems. IT administrators and security teams responsible for managing Google Chrome deployments should prioritize updating their browsers to prevent potential exploitation.
Technical summary
The vulnerability is caused by an integer overflow in WebRTC, a component used for real-time communication in Google Chrome. This overflow can occur when processing certain crafted HTML pages, allowing a remote attacker to write data outside the bounds of allocated memory. This could potentially lead to code execution or other malicious activities. The vulnerability has a CVSS score of 8.8 and is rated as HIGH severity.
Defensive priority
High
Recommended defensive actions
- Update Google Chrome to version 147.0.7727.55 or later
- Ensure that all users of Google Chrome are aware of the need to update their browsers
- Monitor for any suspicious activity that could be related to this vulnerability
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record was published on 2026-04-08T22:16:31.110Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Modified. This information is based on the CVE.org and NVD sources. The vulnerability affects Google Chrome versions prior to 147.0.7727.55. Evidence of exploitation is not publicly known, but defenders should verify their deployments and review official advisories for mitigation guidance.
Official resources
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CVE-2026-5912 CVE record
CVE.org
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CVE-2026-5912 NVD detail
NVD
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Source item URL
nvd_modified
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Mitigation or vendor reference
[email protected] - Release Notes, Vendor Advisory
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Source reference
[email protected] - Permissions Required
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-08T22:16:31.110Z and has not been modified since then. The NVD entry is currently Modified.