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PatchSiren cyber security CVE debrief

CVE-2026-79148 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T21:18:10.043Z and has not been modified since then. The CVE-2026-79148 vulnerability is an off-by-one error in DevTools in Google Chrome prior to 152.0.7977.65. This issue allows a remote attacker to potentially read memory inside the sandbox via a crafted Chrome extension, leveraging social engineering tactics. The Chromium security team has rated this issue as Low severity. Google Chrome users, particularly those in high-risk environments, should be aware of this vulnerability and take immediate action to update their browsers to the latest version. IT administrators should prioritize patching and consider implementing additional security measures to mitigate potential risks.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-25
Original CVE updated
2026-08-31
Advisory published
2026-08-25
Advisory updated
2026-08-31

Who should care

Google Chrome users, particularly those in high-risk environments, should be aware of this vulnerability and take immediate action to update their browsers to the latest version. IT administrators should prioritize patching and consider implementing additional security measures to mitigate potential risks.

Technical summary

The CVE-2026-79148 vulnerability is an off-by-one error in DevTools in Google Chrome prior to 152.0.7977.65. This issue allows a remote attacker to potentially read memory inside the sandbox via a crafted Chrome extension, leveraging social engineering tactics. The Chromium security team has rated this issue as Low severity.

Defensive priority

This CVE requires immediate attention due to its critical severity score of 9.1 and potential impact on Google Chrome users.

Recommended defensive actions

  • Apply the official patch to update Google Chrome to version 152.0.7977.65 or later.
  • Restrict user installation of extensions to only trusted sources.
  • Implement social engineering defenses and user education on extension installation risks.
  • Monitor for suspicious extension installation attempts.
  • Consider disabling DevTools in high-risk environments.

Evidence notes

The CVE-2026-79148 record indicates an off-by-one error in DevTools in Google Chrome prior to 152.0.7977.65. The issue allows a remote attacker leveraging social engineering to potentially read memory inside the sandbox via a crafted Chrome extension. The Chromium security severity is rated as Low.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79148 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79148

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79148 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79148

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.