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Google Chrome EUVDEUVD-2026-65812

| CVE-2026-79138 CRITICAL
Out-of-bounds Write (CWE-787)
2026-08-25 Chrome GHSA-r56v-54j8-9pfx
9.6
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
9.6 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
9.6 CRITICAL

Remote crafted page needs no privileges (PR:N) but requires the user to open it (UI:R); sandbox escape crosses a trust boundary (S:C) with full RCE impact (C/I/A:H).

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Aug 26, 2026 - 17:29 vuln.today
CVSS changed
Aug 26, 2026 - 17:23 NVD
9.6 (CRITICAL)
CVE Published
Aug 25, 2026 - 20:10 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 25, 2026 - 20:10 cve.org
CRITICAL 9.6

DescriptionCVE.org

Out of bounds write in ANGLE in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Sandbox-escaping remote code execution in Google Chrome on Windows (versions before 152.0.7977.65) stems from an out-of-bounds write in ANGLE, Chrome's graphics abstraction layer. A remote attacker who lures a victim to a crafted HTML page can potentially corrupt memory and execute arbitrary code outside the renderer sandbox. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Victim opens crafted HTML page
Delivery
Malicious content invokes ANGLE GPU path
Exploit
Trigger out-of-bounds write in ANGLE
Execution
Corrupt memory to hijack control flow
Persist
Escape renderer sandbox
Impact
Execute arbitrary code on host

Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to be running Google Chrome on Windows at a version below 152.0.7977.65 and to actively open attacker-controlled content - the CVSS UI:R and the 'crafted HTML page' language both confirm required user interaction, so this cannot be triggered fully unattended. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are mixed but lean toward prioritized patching. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a malicious web page containing crafted content that exercises the vulnerable ANGLE graphics code path and sends the link via phishing, malvertising, or a compromised site. When a Windows user running a pre-152.0.7977.65 Chrome build visits the page, the out-of-bounds write corrupts memory and can lead to code execution outside the renderer sandbox. …
Remediation Vendor-released patch: 152.0.7977.65 - update Google Chrome to 152.0.7977.65 or later on Windows via the Chrome Stable channel and restart the browser to apply it (verify via chrome://settings/help). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, activate incident response protocols and notify IT and security teams of the critical Chrome vulnerability affecting versions pre-152.0.7977.65, then validate patch availability through Google's official release channels. …

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EUVD-2026-65812 vulnerability details – vuln.today

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