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Google Chrome CVE-2026-79188

| EUVDEUVD-2026-65803 CRITICAL
Out-of-bounds Write (CWE-787)
2026-08-25 Chrome GHSA-xm9j-86vv-2j8r
9.6
CVSS 3.1 · Vendor: Chrome
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Lure victim to crafted HTML page
  2. Delivery
    Malicious WebGL content reaches ANGLE
  3. Exploit
    Trigger out-of-bounds write in ANGLE
  4. Execution
    Corrupt memory to escape sandbox
  5. Impact
    Execute arbitrary code on host

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the victim to open or be redirected to attacker-controlled HTML in a vulnerable Chrome build (prior to 152.0.7977.65) - this is the UI:R user-interaction prerequisite. No authentication and no special privileges are needed (PR:N), and default Chrome configurations are exploitable because ANGLE/WebGL graphics processing is enabled by default. Limiting factors: the user must actually visit the malicious page (no zero-click), the browser must be unpatched, and reliable code execution outside the sandbox typically requires defeating modern memory mitigations (ASLR, etc.), which raises the practical bar despite the low CVSS complexity rating. Disabling hardware acceleration/WebGL would materially reduce exposure.

Impact

The signals are mixed but lean toward treating this as a high-priority browser patch. CVSS 3.1 is 9.6 driven by network vector, low complexity, no privileges, and a scope change reflecting sandbox escape - the worst-case profile for a client-side bug - tempered only by UI:R, since the victim must open a malicious page. Against that, EPSS is just 0.30% (22th percentile) and the CVE is not on CISA KEV, so there is no evidence of active or imminent mass exploitation yet; the low EPSS is consistent with a freshly disclosed, already-patched browser bug rather than a low-risk one. There is no indication of public POC code. On balance this is a genuine priority for any organization running Chrome at scale because browsers are a primary drive-by attack surface and sandbox escapes are prized by exploit developers, even if opportunistic exploitation has not yet materialized; standard Chrome auto-update makes remediation cheap, so there is little reason to defer it.

Exploit ScenarioDerived

An attacker hosts a malicious web page containing crafted WebGL/graphics content and lures a Chrome user to it via phishing, a malvertising ad, or a compromised site. When the page renders, it drives ANGLE into an out-of-bounds write, corrupting memory to potentially execute code beyond the browser sandbox on the victim's machine. Given low attack complexity but a required user visit (UI:R) and no known public POC, this fits a drive-by/watering-hole model.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 26, 2026

Sandbox-escaping remote code execution in Google Chrome's ANGLE graphics layer affects all desktop builds prior to 152.0.7977.65. A remote attacker who lures a victim to a crafted HTML page can trigger an out-of-bounds write and potentially execute arbitrary code outside the renderer sandbox. Rated High by Chromium and CVSS 9.6; no public exploit identified at time of analysis and EPSS exploitation probability is low (0.30%, 22th percentile).

RemediationAI

Vendor-released patch: update Google Chrome to 152.0.7977.65 or later on all desktop platforms; this is the primary and sufficient remediation. Most installations receive this automatically via Chrome's background updater, so verify the running version under chrome://settings/help and relaunch to apply, and in managed fleets push the update through your management tooling and force a browser restart to ensure the new binary is loaded. Refer to Google's Chrome Releases advisory (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html) for channel details. If patching must be briefly delayed, compensating controls include disabling hardware-accelerated GPU/WebGL (chrome://settings 'Use graphics acceleration when available' off, or the --disable-webgl / policy equivalents) to reduce ANGLE's attack surface - with the trade-off of degraded rendering performance for graphics-heavy sites - and restricting untrusted web browsing via web filtering; note these are stopgaps only and do not fully close the bug.

Affected VersionsENISA

Chrome 152.0.7977.65 <152.0.7977.65

Affected Packages

euvd chrome fix: 152.0.7977.65

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

ANGLE (Almost Native Graphics Layer Engine) is Chrome's translation layer that maps WebGL/OpenGL ES calls onto the host's native graphics API (Direct3D, Metal, Vulkan, or desktop GL). Because ANGLE processes attacker-influenced GPU command streams and often runs in the GPU process - which is less strictly sandboxed than the renderer - memory-safety bugs here are especially dangerous. The root cause is CWE-787 (Out-of-bounds Write): a crafted page drives ANGLE to write past the bounds of an allocated buffer, corrupting adjacent memory. The CVSS scope change (S:C) and the description's 'outside the sandbox' phrasing indicate the corruption can be leveraged beyond the confines of the exploited component.

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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 (AV:N, AC:L, PR:N) needs the user to visit it (UI:R); sandbox escape justifies S:C with full C/I/A impact.

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
SUSE CRITICAL
Red Hat 9.6 CRITICAL

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Lifecycle Timeline

3
CVSS changed
Aug 26, 2026 - 16:22 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 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)

Executive ViewAI

Why It Matters

Google Chrome contains a critical vulnerability affecting all desktop users that allows remote code execution when victims visit a malicious webpage. This sandbox-escape flaw could enable attackers to bypass security controls and potentially access sensitive corporate data, user credentials, and internal systems.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Prevalence
Ubiquitous
Chrome is the most widely deployed desktop browser worldwide
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +48
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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