# Google Chromium: Chromium Out of Bounds Memory Access Vulnerability · pwn.watch

> 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. Added to CISA KEV on 2025-12-12.

Page: https://pwn.watch/i/google-chromium-cve-2025-14174 · generated 2026-10-23T04:59:28.006Z

## Status
- Severity: high · status: closed · patch: patched
- Product: Google Chromium
- Started: 2025-12-12 · closed: 2025-12-12
- CVEs: CVE-2025-14174
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/google-chromium-cve-2025-14174/feed.xml
- JSON Feed: https://pwn.watch/i/google-chromium-cve-2025-14174/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/google-chromium-cve-2025-14174.json
- This file: https://pwn.watch/i/google-chromium-cve-2025-14174/llms.txt

## Updates (newest first)
- 2025-12-12: CISA added CVE-2025-14174 to the KEV catalog (due 2026-01-02).

## Fix brief
# Security brief: Google Chromium: Chromium Out of Bounds Memory Access Vulnerability

Source: https://pwn.watch/i/google-chromium-cve-2025-14174 · status: closed (closed Dec 12, 2025) · severity: high · updated Dec 12, 2025

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
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. Added to CISA KEV on 2025-12-12.

Severity detail: CVSS 8.8 (CISA ADP, v3.1); actively exploited (CISA KEV)

- Product: Google Chromium
- CVE / advisory ids: CVE-2025-14174

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Dec 12, 2025: CISA added CVE-2025-14174 to the KEV catalog (due 2026-01-02).

## Advisories
- [Google advisory: Google Chromium](https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html) (Google)
- [Google advisory: Google Chromium](https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security) (Google)
- [NVD: CVE-2025-14174](https://nvd.nist.gov/vuln/detail/CVE-2025-14174) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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Machine-readable: https://pwn.watch/i/google-chromium-cve-2025-14174.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.