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Google EUVDEUVD-2026-79961

| CVE-2026-91743 HIGH
Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
2026-09-15 chrome-cve-admin@google.com GHSA-4g3j-h9v7-xjx4
8.3
CVSS 3.1 · Vendor: google
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Severity by source

Vendor (google) PRIMARY
8.3 HIGH
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Primary rating from Vendor (google) · only source for this CVE.

CVSS VectorVendor: google

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Sep 16, 2026 - 00:24 vuln.today
CVSS changed
Sep 16, 2026 - 00:22 NVD
8.3 (HIGH)
CVE Published
Sep 15, 2026 - 21:16 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 15, 2026 - 21:16 cve.org
HIGH 8.3

DescriptionCVE.org

Race condition in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Sandbox escape in Google Chrome prior to 153.0.8010.47 allows a remote attacker who has already compromised the browser's renderer process to execute arbitrary code outside the sandbox via a race condition (TOCTOU) triggered by a crafted HTML page; the user must visit that page for the flaw to be reachable. Google rates the issue Chromium security severity High and a vendor patch is available from the 153.0.8010.47 stable channel release. …

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EUVD-2026-79961 vulnerability details – vuln.today

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