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PatchSiren cyber security CVE debrief

CVE-2026-79271 Google CVE debrief

Information leak in DOM in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. This medium-severity vulnerability, related to an information leak in the DOM, requires user interaction and can lead to sensitive information disclosure. Defenders should focus on updating Chrome to the latest version and monitoring user interactions with untrusted HTML pages. The vulnerability was confirmed via official CVE Program record and NVD vulnerability detail page. Limited details on exploitation are available, but vendor advisory and release notes provide additional context.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
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

Organizations and individuals using Google Chrome for browsing, especially those handling sensitive information or requiring high security standards, should prioritize updating to the latest version and monitoring user interactions with untrusted HTML pages. Security teams should review relevant monitoring, detection, and logs for exposed assets that need extra review.

Technical summary

CVE-2026-79271 is a medium-severity vulnerability in Google Chrome prior to version 152.0.7977.65, allowing remote attackers to obtain sensitive information via a crafted HTML page, leveraging social engineering tactics. The vulnerability is related to an information leak in the DOM, and defenders should focus on updating Chrome to the latest version.

Defensive priority

Medium severity vulnerability in Google Chrome, requiring user interaction, with potential for sensitive information disclosure.

Recommended defensive actions

  • Review and apply Google Chrome updates to ensure version 152.0.7977.65 or later is deployed.
  • Monitor user interactions with untrusted HTML pages.
  • Implement compensating controls, such as data loss prevention tools, to detect sensitive information disclosure.
  • 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

Official CVE Program record and NVD vulnerability detail page confirm information leak in Google Chrome DOM. Limited details on exploitation, but vendor advisory and release notes provided. The vulnerability is related to an information leak in the DOM, and defenders should verify Chrome version and update status.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79271 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79271

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

  • CVE-2026-79271 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79271

    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.