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CRITICAL

CVE-2026-87544

CVSS v3

9.8

CRITICAL

EPSS Score

0.3 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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)

Technical details

Published
2026-09-09
Last Modified
2026-09-10

Frequently asked questions

What is CVE-2026-87544?

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)

Is CVE-2026-87544 actively exploited?

Active exploitation of CVE-2026-87544 has not been confirmed. Its EPSS score was 0.3% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-87544?

CVE-2026-87544 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-87544 affecting your environment?

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