Vulnerability details

CVE-2026-91748

Google Chrome

CVSS 3.1

8.3High

Official description

Race condition in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: High)

CVSS scores

Score	Version	Source	Vector
8.3High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Google	Chrome	153.0.8010.47 ≤ v < 153.0.8010.47	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-09-16
Last updated: 2026-09-17
State: Published
Assigner (CNA): Chrome

Exploit prediction (EPSS)

0.22%

Probability of exploitation in 30 days

13.6%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-367
Race condition