IRONSMITHINTEL
HIGHCVSS8.8
|
Actively Exploited
|CISA KEV|CVE-2025-14174|Auth: none — unauthenticated|Reboot: required|Manual only

Google Chromium Out of Bounds Memory Access Vulnerability (CVE-2025-14174)

Google Chromium contains an out of bounds memory access vulnerability in ANGLE that could allow a remote attacker to perform out of bounds memory access via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Published Dec 12, 2025 · Updated May 29, 2026
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Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2026-01-02 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Out-of-bounds Write (CWE-787) vulnerability in Google Chromium. Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High) Exploitation requires remote network access, low attack complexity, no authentication required, and user interaction required.

📧

Phishing link

🖼

Malicious file

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Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running chrome: 143.0.7499.41 ≤ v < 143.0.7499.110, 143.0.7499.40 ≤ v < 143.0.7499.109, v ≤ 143.0.7499.40; safari: v < 26.2; ipados: v < 18.7.3, 26.0 ≤ v < 26.2; iphone os: v < 18.7.3, 26.0 ≤ v < 26.2; macos: v < 26.2; tvos: v < 26.2; visionos: v < 26.2; watchos: v < 26.2; edge chromium: v < 143.0.3650.80
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2025-12-12 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2026-01-02.

How to patch

Get the fix

Apply the fixed package from your vendor. The advisory lists affected versions and the exact fixed build.

Vendor advisory

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

    1
    Vendor advisory: https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2025-14174
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14174
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