How severe is CVE-2025-14174?

CVE-2025-14174 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2025-14174?

Affected package information for CVE-2025-14174 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2025-14174?

No fixed version has been published for CVE-2025-14174 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2025-14174 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2025-14174, including . All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2025-14174?

CVE-2025-14174 has an EPSS (Exploit Prediction Scoring System) score of 0.3%, placing it in the 50th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2025-14174 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2025-14174 (Google Chromium Out of Bounds Memory Access Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-12-12. CISA required all US federal civilian agencies to remediate this vulnerability by 2026-01-02. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2025-14174?

CVE-2025-14174 is classified as Out-of-bounds Write (CWE-787), Buffer Overflow (CWE-119). These weakness types describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2025-14174 published, and has it been updated?

CVE-2025-14174 was published on December 12, 2025 and was last updated on March 23, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-12-12 — agencies required to remediate by 2026-01-02

CVE-2025-14174

HIGH

Published

Dec 12, 2025

Updated

Mar 23, 2026

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

0.3%probability of exploitation in next 30 days

Lower Risk50th percentile-0.03%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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)

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Satirush/CVE-2025-14174-Poc

Proof-of-Concept exploit for CVE-2025-14174 (EUVD-2025-203113) - Memory

⭐ 9🍴 0Apr 2026

George0Papasotiriou/CVE-2025-14174-Chrome-Zero-Day

⭐ 3🍴 0Apr 2026

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2025-14174 in your stack?

O3 detects CVE-2025-14174 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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