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Google EUVDEUVD-2026-79955

| CVE-2026-91721 HIGH
Use After Free (CWE-416)
2026-09-15 chrome-cve-admin@google.com GHSA-ff86-g5q4-g658
8.8
CVSS 3.1 · Vendor: google
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Severity by source

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

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

CVSS VectorVendor: google

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

Lifecycle Timeline

4
Analysis Generated
Sep 16, 2026 - 00:22 vuln.today
CVSS changed
Sep 16, 2026 - 00:22 NVD
8.8 (None) 8.8 (HIGH)
CVE Published
Sep 15, 2026 - 21:16 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 15, 2026 - 21:16 cve.org
HIGH 8.8

DescriptionCVE.org

Use after free in Internals in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

AnalysisAI

A use-after-free in Google Chrome's Internals component allows a remote attacker to potentially execute arbitrary code outside the browser sandbox when a victim opens a crafted HTML page, affecting all Chrome builds prior to 153.0.8010.47 on desktop. Exploitation requires user interaction (visiting the page) but no authentication or elevated privileges, and Google rates the Chromium security severity as Critical. …

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EUVD-2026-79955 vulnerability details – vuln.today

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