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PatchSiren cyber security CVE debrief

CVE-2026-79118 Google CVE debrief

The CVE-2026-79118 vulnerability is caused by an uninitialized resource in ANGLE in Google Chrome prior to 152.0.7977.65. This allows a remote attacker to obtain cross-origin data via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. Google Chrome users should apply the latest update to prevent potential cross-origin data exposure. The vulnerability affects Google Chrome users, particularly those who handle sensitive data or require high security standards. To address this vulnerability, users should prioritize updating their Google Chrome browser to the latest version.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
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 who handle sensitive data or require high security standards, should apply the latest update to prevent potential cross-origin data exposure. This includes users with high security requirements, such as financial institutions, government agencies, and organizations handling sensitive data. Additionally, IT administrators and security teams responsible for managing Google Chrome deployments should prioritize updating their browsers to the latest version and implementing compensating controls to detect and prevent exploitation attempts.

Technical summary

The CVE-2026-79118 vulnerability is caused by an uninitialized resource in ANGLE in Google Chrome prior to 152.0.7977.65. This allows a remote attacker to obtain cross-origin data via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM. To address this vulnerability, users should prioritize updating their Google Chrome browser to the latest version and implement compensating controls.

Defensive priority

Medium-severity vulnerability in Google Chrome, requiring immediate attention to prevent potential cross-origin data exposure.

Recommended defensive actions

  • Apply the latest Google Chrome update (version 152.0.7977.65 or later) to patch the vulnerability.
  • Restrict access to sensitive data and monitor for potential cross-origin data exposure.
  • Implement compensating controls, such as web application firewalls, to detect and prevent exploitation attempts.
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE-2026-79118 vulnerability is caused by an uninitialized resource in ANGLE in Google Chrome prior to 152.0.7977.65. This allows a remote attacker to obtain cross-origin data via a crafted HTML page. The vulnerability has a CVSS score of 4.3 and a severity of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79118 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79118

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

  • CVE-2026-79118 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79118

    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.