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CVE-2026-87471

UnknownEPSS 0.29%

Last modified

CVE-2026-87471 is a vulnerability of currently unknown severity. Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Metrics

EPSS Probability
0.29%

21.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
GoogleChrome>= 153.0.8010.36, < 153.0.8010.36

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-87471?
Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-87471?
Severity scoring for CVE-2026-87471 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-87471?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST