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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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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
qualitative
Red Hat
9.6 HIGH
qualitative

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

5
Analysis Generated
Jul 30, 2026 - 19:23 vuln.today
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
CRITICAL 9.6
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)

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)

AnalysisAI

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). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Lure victim to malicious page
Delivery
Deliver crafted WebGL/HTML content
Exploit
Trigger OOB write in ANGLE
Execution
Corrupt GPU process memory
Persist
Escape Chrome sandbox
Impact
Execute code outside sandbox

Vulnerability AssessmentAI

Exploitation 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). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are partially conflicting and warrant nuance. … 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 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. …
Remediation 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. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all Chrome desktop deployments and verify patch status for version 151.0.7922.72 or later; communicate the critical nature of this vulnerability to leadership and affected users. …

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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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CVE-2026-17721 vulnerability details – vuln.today

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