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Google Chrome CVE-2026-17721

| EUVDEUVD-2026-50847 CRITICAL
Out-of-bounds Write (CWE-787)
2026-07-30 Chrome GHSA-m2x7-p454-5w3c
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 malicious page
  2. Delivery
    Deliver crafted WebGL/HTML content
  3. Exploit
    Trigger OOB write in ANGLE
  4. Execution
    Corrupt GPU process memory
  5. Persist
    Escape Chrome sandbox
  6. Impact
    Execute code outside sandbox

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 load attacker-controlled HTML/graphics content in a vulnerable Chrome build (<151.0.7922.72) with GPU acceleration active so that the ANGLE code path processes the crafted data - this matches CVSS UI:R (user interaction required). No authentication is needed (PR:N) and the attack is remote (AV:N) with low complexity (AC:L). Limiting factors: the attack is not drive-by-automatic in the sense that the user must be induced to visit/render the page; a full sandbox escape realistically depends on chaining the ANGLE memory corruption with additional primitives; and disabling hardware acceleration removes or reduces the ANGLE attack surface. The advisory does not enumerate a special non-default configuration beyond normal GPU-accelerated browsing.

Impact

The signals are partially conflicting and warrant nuance. CVSS 3.1 is 9.6 (Critical) driven by AV:N, AC:L, PR:N, scope change (S:C) and C:H/I:H/A:H, reflecting the severe consequence of a sandbox escape; however, UI:R means the attack is not automatic - a user must visit or be lured to a malicious page. Against that high CVSS, EPSS is only 0.21% (11th percentile) and the CVE is NOT on CISA KEV, and no POC is referenced, so real-world exploitation pressure is currently low. This is a genuine high-priority patch for any browser fleet because browser sandbox escapes are prime targets for exploit-chain developers and are historically retrofitted into in-the-wild chains, but as of this analysis it is a high-severity-but-not-yet-exploited issue rather than an active emergency. Note the low EPSS is consistent with a freshly disclosed, vendor-reported bug that has not yet been reverse-engineered publicly.

Exploit ScenarioDerived

An attacker hosts a malicious web page containing crafted WebGL/graphics content and lures a victim to visit it (via phishing link, malvertising, or a compromised site). When the page renders, the ANGLE out-of-bounds write corrupts GPU-process memory, and - typically chained with a renderer bug - the attacker escapes the Chrome sandbox to run code with the GPU process's privileges. No public POC is referenced at time of analysis, and success requires the low-complexity but user-interaction-dependent step of the victim opening the page.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 30, 2026

Sandbox escape in Google Chrome's ANGLE graphics component affects all Desktop builds prior to 151.0.7922.72, where an out-of-bounds write (CWE-787) can be triggered by a crafted HTML page to corrupt memory in the GPU process and cross the sandbox boundary. Chromium rates the flaw High and the CVSS 3.1 score is 9.6 owing to the scope change (S:C) and full CIA impact, though it requires the victim to load attacker-controlled content (UI:R). There is no public exploit identified at time of analysis, and the low EPSS score (0.21%, 11th percentile) suggests no observed weaponization yet.

RemediationAI

Vendor-released patch: update Google Chrome to 151.0.7922.72 or later via the Stable channel (verify through chrome://settings/help, which triggers the background updater, then relaunch the browser to apply it); managed fleets should push the update through their enterprise update policy or MDM. Details are in the Chrome release advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. Until the update is deployed, meaningful compensating controls are limited because the trigger is web content: you can disable hardware GPU acceleration (chrome://settings 'Use graphics acceleration when available', or the --disable-gpu / HardwareAccelerationModeEnabled=false policy) to reduce ANGLE's exposure, at the cost of degraded rendering performance and video decode; and you can restrict browsing to trusted sites via URL allowlisting, at the cost of user friction. Chromium-based browsers should be updated to the build that incorporates the upstream ANGLE fix once released.

Affected VersionsENISA

Chrome 151.0.7922.72 <151.0.7922.72

Affected Packages

euvd chrome fix: 151.0.7922.72

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 the abstraction layer Chrome uses to translate WebGL and OpenGL ES calls into the host platform's native graphics API (Direct3D on Windows, Metal on macOS, Vulkan/OpenGL on Linux/Android). It executes inside Chrome's GPU process, which is sandboxed but more privileged than the renderer for hardware access. The root cause is CWE-787 (Out-of-bounds Write): malformed graphics commands or shader/geometry data drive a write past the bounds of an allocated buffer, corrupting adjacent memory. Because ANGLE processes untrusted, web-supplied graphics data, a page can steer this corruption to achieve memory control within the GPU process and, per the advisory, escape the sandbox. The single affected CPE is cpe:2.3:a:google:chrome (all versions below 151.0.7922.72).

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  • Exploit and PoC references, threat intelligence from 22 sources

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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 auth (AV:N/PR:N) but requires the user to load it (UI:R); the sandbox escape crosses a trust boundary (S:C) with full CIA 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 HIGH

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

4
CVSS changed
Jul 30, 2026 - 19:22 NVD
9.6 (CRITICAL)
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 30, 2026 - 00:19 cve.org
CRITICAL 9.6

DescriptionCVE.org

Out of bounds write in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Executive ViewAI

Why It Matters

Google Chrome desktop browsers versions prior to 151.0.7922.72 contain a critical sandbox escape vulnerability that could enable attackers to fully compromise affected systems through malicious web pages. While no public exploit code has been identified, the broad user base and severe technical impact warrant immediate patching. A vendor patch is available for deployment.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Prevalence
Ubiquitous
Chrome is the dominant desktop browser across nearly all environments
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment MSRC Vendor VulDB

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 0.2%
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.

Related Vulnerabilities in Google Chrome Prior to 151.0.7922.72 Security Flaws

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CVE-2026-17701 CRITICAL
9.6
CVE-2026-17811 HIGH
7.1
CVE-2026-17812 MEDIUM
5.4
CVE-2026-17821 MEDIUM
6.5
CVE-2026-17823 MEDIUM
6.5
CVE-2026-17825 MEDIUM
6.5
CVE-2026-17840 MEDIUM
6.5
CVE-2026-17842 MEDIUM
6.5
CVE-2026-17844 MEDIUM
4.3
CVE-2026-17846 MEDIUM
6.5
CVE-2026-17848 CRITICAL
9.6
CVE-2026-17850 MEDIUM
6.5
CVE-2026-17858 MEDIUM
4.3
CVE-2026-17860 LOW
3.3
CVE-2026-17863 HIGH
7.8
CVE-2026-17874 MEDIUM
5.4
CVE-2026-17878 MEDIUM
6.1
CVE-2026-17651 CRITICAL
9.6
CVE-2026-17655 CRITICAL
9.6
CVE-2026-17663 HIGH
8.3
CVE-2026-17665 HIGH
8.8
CVE-2026-17667 MEDIUM
6.5
CVE-2026-17682 CRITICAL
9.6
CVE-2026-17683 MEDIUM
6.5
CVE-2026-17688 CRITICAL
9.6
CVE-2026-17695 CRITICAL
9.6
CVE-2026-17699 HIGH
8.6
CVE-2026-17700 MEDIUM
4.3
CVE-2026-17702 LOW
3.1
CVE-2026-17705 HIGH
8.8
CVE-2026-17706 MEDIUM
4.3
CVE-2026-17708 CRITICAL
9.6
CVE-2026-17713 CRITICAL
9.6
CVE-2026-17716 HIGH
8.4
CVE-2026-17717 CRITICAL
9.6
CVE-2026-17720 LOW
3.1
CVE-2026-17723 HIGH
8.3
CVE-2026-17724 MEDIUM
4.2
CVE-2026-17674 MEDIUM
6.5
CVE-2026-17676 CRITICAL
9.6
CVE-2026-17677 HIGH
8.8
CVE-2026-17671 CRITICAL
9.6
CVE-2026-17669 CRITICAL
9.6
CVE-2026-17886 HIGH
8.8
CVE-2026-17887 HIGH
7.5
CVE-2026-17888 HIGH
7.1
CVE-2026-17726 CRITICAL
9.6
CVE-2026-17697 CRITICAL
9.6
CVE-2026-17704 CRITICAL
9.6
CVE-2026-17709 CRITICAL
9.6
CVE-2026-17710 CRITICAL
9.6
CVE-2026-17711 CRITICAL
9.6
CVE-2026-17712 HIGH
8.8
CVE-2026-17877 HIGH
8.4
CVE-2026-17686 HIGH
8.1
CVE-2026-17837 CRITICAL
9.6
CVE-2026-17650 HIGH
8.3
CVE-2026-17662 MEDIUM
4.3
CVE-2026-17718 CRITICAL
9.6
CVE-2026-17727 CRITICAL
9.6
CVE-2026-17666 CRITICAL
9.1
CVE-2026-17670 CRITICAL
9.6
CVE-2026-17698 HIGH
7.5
CVE-2026-17656 CRITICAL
9.6
CVE-2026-17652 CRITICAL
9.6
CVE-2026-17653 HIGH
8.3
CVE-2026-17654 HIGH
7.8
CVE-2026-17657 HIGH
8.3
CVE-2026-17658 HIGH
8.8
CVE-2026-17659 MEDIUM
4.2
CVE-2026-17660 HIGH
8.3
CVE-2026-17661 HIGH
8.8
CVE-2026-17664 MEDIUM
6.5
CVE-2026-17668 MEDIUM
6.5
CVE-2026-17672 CRITICAL
9.6
CVE-2026-17673 CRITICAL
9.6
CVE-2026-17675 CRITICAL
9.6
CVE-2026-17678 HIGH
8.8
CVE-2026-17679 MEDIUM
6.5
CVE-2026-17680 CRITICAL
9.6
CVE-2026-17681 CRITICAL
9.6
CVE-2026-17684 CRITICAL
9.6
CVE-2026-17685 HIGH
8.8
CVE-2026-17687 CRITICAL
9.6
CVE-2026-17689 MEDIUM
4.3
CVE-2026-17690 MEDIUM
6.5
CVE-2026-17691 CRITICAL
9.6
CVE-2026-17692 CRITICAL
9.6
CVE-2026-17693 MEDIUM
4.3
CVE-2026-17694 HIGH
8.8
CVE-2026-17696 MEDIUM
4.3
CVE-2026-17703 MEDIUM
6.5
CVE-2026-17707 MEDIUM
6.5
CVE-2026-17714 MEDIUM
6.5
CVE-2026-17715 LOW
3.1
CVE-2026-17719 HIGH
8.8
CVE-2026-17722 HIGH
8.3
CVE-2026-17725 HIGH
8.8
CVE-2026-17728 MEDIUM
5.4
CVE-2026-17758 CRITICAL
9.6
CVE-2026-17810 MEDIUM
4.3
CVE-2026-17813 MEDIUM
6.5
CVE-2026-17814 MEDIUM
6.5
CVE-2026-17815 MEDIUM
4.3
CVE-2026-17816 HIGH
7.5
CVE-2026-17817 MEDIUM
4.3
CVE-2026-17818 MEDIUM
6.1
CVE-2026-17819 MEDIUM
6.5
CVE-2026-17820 MEDIUM
4.3
CVE-2026-17822 MEDIUM
6.5
CVE-2026-17824 MEDIUM
6.5
CVE-2026-17826 LOW
3.1
CVE-2026-17827 MEDIUM
6.1
CVE-2026-17828 MEDIUM
6.5
CVE-2026-17829 MEDIUM
4.3
CVE-2026-17830 MEDIUM
6.5
CVE-2026-17831 MEDIUM
6.5
CVE-2026-17832 CRITICAL
9.6
CVE-2026-17833 MEDIUM
4.3
CVE-2026-17834 CRITICAL
9.6
CVE-2026-17835 MEDIUM
6.5
CVE-2026-17836 HIGH
8.8
CVE-2026-17838 MEDIUM
6.5
CVE-2026-17839 MEDIUM
6.5
CVE-2026-17841 MEDIUM
6.5
CVE-2026-17843 MEDIUM
4.3
CVE-2026-17845 MEDIUM
6.1
CVE-2026-17847 CRITICAL
9.6
CVE-2026-17849 MEDIUM
4.3
CVE-2026-17851 MEDIUM
4.3
CVE-2026-17852 MEDIUM
6.5
CVE-2026-17853 MEDIUM
6.1
CVE-2026-17854 MEDIUM
6.5
CVE-2026-17855 CRITICAL
9.6
CVE-2026-17856 CRITICAL
9.6
CVE-2026-17857 MEDIUM
4.3
CVE-2026-17859 MEDIUM
4.3
CVE-2026-17861 HIGH
7.8
CVE-2026-17862 HIGH
7.8
CVE-2026-17864 HIGH
7.8
CVE-2026-17865 CRITICAL
9.6
CVE-2026-17866 MEDIUM
5.8
CVE-2026-17867 HIGH
7.1
CVE-2026-17868 HIGH
8.8
CVE-2026-17869 HIGH
8.1
CVE-2026-17870 MEDIUM
4.3
CVE-2026-17871 MEDIUM
4.3
CVE-2026-17872 MEDIUM
6.1
CVE-2026-17873 MEDIUM
6.5
CVE-2026-17875 HIGH
8.8
CVE-2026-17876 MEDIUM
4.3
CVE-2026-17879 MEDIUM
4.3
CVE-2026-17880 MEDIUM
4.3
CVE-2026-17881 HIGH
8.8
CVE-2026-17882 MEDIUM
6.5
CVE-2026-17883 MEDIUM
6.5
CVE-2026-17884 HIGH
8.8
CVE-2026-17885 MEDIUM
4.3
CVE-2026-17889 MEDIUM
4.3

Vendor StatusVendor

SUSE

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

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