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CVE-2026-17775 Google CVE debrief

CVE-2026-17775 is a medium-severity vulnerability in Google Chrome's PresentationAPI, which could allow a remote attacker to leak cross-origin data via a crafted HTML page. The CVE record was published on 2026-07-30T01:16:40.777Z and was last modified on 2026-10-23T23:10:00.157Z. The NVD entry is currently Analyzed. Affected product deployments should be reviewed for exposure, and defenders should prioritize patching to prevent potential data leaks. The vulnerability is caused by an inappropriate implementation in the PresentationAPI of Google Chrome prior to version 151.0.7922.72.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-30
Original CVE updated
2026-10-23
Advisory published
2026-07-30
Advisory updated
2026-10-23

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize patching to prevent potential data leaks. This includes reviewing and updating incident response plans, verifying and applying patches, and monitoring for potential data leaks. Affected operators, platforms, and security teams should be aware of the vulnerability and take necessary actions.

Why it matters

CVE-2026-17775 is a medium-severity vulnerability in Google Chrome's PresentationAPI that could allow remote attackers to leak cross-origin data. Defenders should prioritize patching and monitoring to prevent potential data leaks.

  • Potential data leaks due to cross-origin data exposure
  • Need to verify and apply patches to prevent exploitation
  • Monitoring for suspicious activity related to the vulnerability

Technical summary

The vulnerability is caused by an inappropriate implementation in the PresentationAPI of Google Chrome prior to version 151.0.7922.72. This could allow a remote attacker to leak cross-origin data via a crafted HTML page. The affected product is Google Chrome, and defenders should prioritize verifying and applying the patch to prevent potential data leaks. The vulnerability has a medium severity and is related to cross-origin data exposure.

Defensive priority

Defenders should prioritize verifying and applying the patch to prevent potential data leaks.

Recommended defensive actions

  • Verify and apply the patch to Google Chrome
  • Monitor for potential data leaks
  • Review and update incident response plans

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its severity, and affected versions. The NVD entry is currently Analyzed. Defenders should verify and apply the patch to prevent potential data leaks. The CVE Program record and NVD detail page are official sources for this information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17775 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17775

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

  • CVE-2026-17775 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17775

    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.