PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-6314 Google CVE debrief

CVE-2026-6314 is a high-severity out-of-bounds write vulnerability in the GPU component of Google Chrome, affecting versions prior to 147.0.7727.101. The vulnerability was published on April 15, 2026, and last modified on May 26, 2026. A remote attacker who has already compromised the GPU process could exploit this flaw to potentially escape the Chrome sandbox via a crafted HTML page. The Chromium security team has rated this as High severity with a CVSS 3.1 score of 8.3. The vulnerability is classified under CWE-787 (Out-of-bounds Write). Google addressed this issue in the stable channel update released on April 15, 2026. The vendor attribution in the source data lists Apple with medium confidence based on NVD CPE data, though the vulnerability itself is in Google Chrome; this appears to reflect platform applicability rather than product ownership. No known exploitation in ransomware campaigns has been documented, and this CVE is not listed in CISA's Known Exploited Vulnerabilities catalog.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-15
Original CVE updated
2026-05-26
Advisory published
2026-04-15
Advisory updated
2026-05-26

Who should care

Organizations with managed Chrome deployments, security teams responsible for browser security, endpoint protection teams, and users handling sensitive data in web browsers should prioritize this update due to the potential for sandbox escape leading to full system compromise.

Technical summary

This vulnerability exists in the GPU processing component of Google Chrome. An out-of-bounds write condition can be triggered when processing crafted HTML content, but exploitation requires prior compromise of the GPU process. Successful exploitation could allow an attacker to break out of Chrome's sandbox security boundary. The fix was released in Chrome 147.0.7727.101. The vulnerability affects Chrome across all platforms (Windows, macOS, Linux) though the CPE data indicates the vulnerable product is specifically the Google Chrome application, with operating systems listed as non-vulnerable configurations.

Defensive priority

high

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.101 or later to remediate this vulnerability
  • Verify Chrome version across all endpoints using automated asset management tools
  • Review browser update policies to ensure automatic updates are enabled for security releases
  • Monitor for any indicators of GPU process compromise as a potential precursor to exploitation
  • Apply principle of least privilege for browser execution where possible
  • Consider implementing site isolation policies to reduce impact of renderer compromise

Evidence notes

The CVE description and NVD record confirm this is a Chrome GPU vulnerability, not an Apple product vulnerability. The vendor field showing 'Apple' with medium confidence appears to be an NVD CPE artifact related to macOS as an affected platform rather than accurate product attribution. The primary authoritative sources are Google's Chrome release notes and the Chromium issue tracker.

Official resources

2026-04-15T20:16:41.257Z