Historical catalog analysis: CISA added this entry on December 12, 2025. The entry reflects catalog information retrieved on August 31, 2026, not a snapshot archived on the inclusion date. Check current vendor guidance before acting.
What the vulnerability is
CVE-2025-14174 is an out-of-bounds memory access vulnerability located within the ANGLE (Almost Native Graphics Layer Engine) component of the Google Chromium project. This flaw allows a remote attacker to trigger unauthorized memory access by inducing a user to visit a specially crafted HTML page.
Exposure and applicability
This vulnerability affects a wide array of web browsers that utilize the Chromium engine. Specifically, the source identifies Google Chrome, Microsoft Edge, and Opera as affected products. Because ANGLE is a core component used for graphics abstraction across different platforms, any browser leveraging this specific Chromium implementation may be susceptible to remote exploitation via the web.
Remediation priorities
Our analysis suggests that vulnerability management teams should prioritize remediation based on the ubiquity of these browsers across corporate endpoints. We recommend the following priority sequence:
- Vendor Update Deployment: Prioritize the application of stable channel updates provided by Google, Microsoft, and Opera. These updates contain the necessary mitigations for the ANGLE component.
- Cloud Service Alignment: For organizations utilizing cloud-based browser environments or virtual desktops, align remediation with BOD 22-01 guidance to ensure that managed images are updated consistently.
- Asset Decommissioning: In rare instances where a specific legacy Chromium-based tool cannot be patched and no compensating controls exist, the source suggests discontinuing use of the product.
How to validate remediation
To verify that exposure has been reduced, defenders must move beyond simple version checks. While confirming the installed build version is a necessary first step, it does not prove the mitigation is active in the runtime environment.
Verification should include:
* Build Verification: Confirming the deployed browser binary matches the vendor’s patched release version across all endpoints.
* Configuration Audit: Ensuring that automatic update mechanisms are functioning and have successfully pushed the latest stable channel updates to the fleet.
* Deployment Confirmation: Using endpoint management tools to verify that old, vulnerable versions of the browser binaries have been removed or overwritten, rather than simply having a newer version installed alongside them.
Limits and open questions
There is residual risk associated with this vulnerability because the source does not specify the exact memory addresses or the full chain of execution required for a successful exploit. Furthermore, while CISA has added this to the Known Exploited Vulnerabilities catalog, the specific ransomware campaigns or threat actors utilizing this flaw remain unknown. Defenders should be aware that patching the browser may not address other Chromium-based applications embedded within third-party software (Electron apps), which may require separate updates from those specific vendors.
Source and editorial note
CVE-2025-14174: Google Chromium Out of Bounds Memory Access Vulnerability · Source date: December 12, 2025 · Retrieved August 31, 2026.
Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.
Archive date: December 15, 2025. The displayed post date is assigned three days after the source date to organize this retrospective archive; it does not mean this site published the analysis then. First published by this site: September 26, 2026 at 00:50 UTC.
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