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HIGH

CVE-2026-91727

CVSS v3

8.1

HIGH

EPSS Score

0.1 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Incorrect reference resolution in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 allowed a local attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

Technical details

Published
2026-09-15
Last Modified
2026-09-17

Frequently asked questions

What is CVE-2026-91727?

Incorrect reference resolution in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 allowed a local attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

Is CVE-2026-91727 actively exploited?

Active exploitation of CVE-2026-91727 has not been confirmed. Its EPSS score was 0.1% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-91727?

CVE-2026-91727 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2026-91727 affecting your environment?

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