Summary
generated automatically from NVD dataCVE-2026-87544 is an incorrect authorization flaw (CWE-863) in the Extensions component of Google Chrome, affecting versions prior to 153.0.8010.36. A remote attacker could use a crafted HTML page to bypass system access restrictions and reach a privileged page. Chromium rates its own security severity as Low, while the CVSS v3.1 score is 9.8 (CRITICAL), with a network attack vector and no privileges or user interaction required.
NVD description
Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)
EPSS · FIRST.org
0.34%probability of exploitation in the next 30 days
Higher than 25% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 9 sept. 2026
- Updated
- 18 sept. 2026
- Status
- Modified
- Source
- chrome-cve-admin@google.com
Affected products
Weaknesses (CWE)
References (2)
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.htmlRelease NotesVendor Advisory
- https://issues.chromium.org/issues/542355360Permissions Required
Similar CVEs
Other vulnerabilities of type CWE-863
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