CVE-2025-14174: Google Chromium exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

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)

Description quoted from the CVE record (assigned by Chrome, published 2025-12-12).

Weakness: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

How it can be exploited

Exploitable over the network with low attack complexity needing no privileges and a user must take an action. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since: 2025-12-12
US federal deadline: 2026-01-02
Ransomware use: Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2026-00800, CNNVD-202512-2254, EUVD-2025-203113, EUVD-2025-203963, EUVD-2026-6189, GHSA-9fjm-6w64-76r7, GHSA-j5x8-2r52-c3ff, GHSA-m9mp-fmfc-g6gc, SNYK-CENTOS10-THUNDERBIRD-14423900, SNYK-ORACLE8-WEBKIT2GTK3DEVEL-14541395, SNYK-UNMANAGED-CHROMIUM-14413702

VEDAS cluster: VEDAS:COURTEOUSCLOUD

Exploit Observer links 7 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (7)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Code repository: https://github.com/george0papasotiriou/cve-2025-14174-chrome-zero-day
Code repository: https://github.com/houseofint3/cve-2025-14174-analysis
Code repository: https://github.com/malbean/cve-2025-14174-bypass
Code repository: https://github.com/satirush/cve-2025-14174-poc
Code repository: https://github.com/terrasue/cve-2025-14174-exploit
Code repository: https://github.com/typeconfused/cve-2025-14174-analysis
Code repository: https://github.com/zeroxjf/cve-2025-14174-analysis

Research and write-ups (2)

Research or write-up: https://pbxscience.com/critical-zero-day-vulnerability-cve-2025-14174-patched-across-major-browsers
Research or write-up: https://socprime.com/blog/cve-2025-14174-vulnerability

Vulnerability databases and vendor advisories (16)

Catalogue entries, not exploit evidence.

Vulnerability database or vendor advisory: https://access.redhat.com/security/cve/cve-2025-14174
Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-203113
Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-203963
Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2026-6189
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-9fjm-6w64-76r7
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-j5x8-2r52-c3ff
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-m9mp-fmfc-g6gc
Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-14174
Vulnerability database or vendor advisory: https://security.snyk.io/vuln/SNYK-CENTOS10-THUNDERBIRD-14423900
Vulnerability database or vendor advisory: https://security.snyk.io/vuln/SNYK-ORACLE8-WEBKIT2GTK3DEVEL-14541395
Vulnerability database or vendor advisory: https://security.snyk.io/vuln/SNYK-UNMANAGED-CHROMIUM-14413702
Vulnerability database or vendor advisory: https://ubuntu.com/security/CVE-2025-14174
and 4 more

114 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS: 0.553
very likely to be attacked soon
VEDAS: 0.984
strong exploit evidence
On CISA KEV: Yes, since 2025-12-12
Detection rule: None yet

EPSS (chance of attack)

VEDAS (exploit evidence)

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

Product	Affected	Not affected
Google Chrome	from 143.0.7499.110 before 143.0.7499.110	Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: google chrome.

How to fix it

Fixed versions stated in the CVE record: 143.0.7499.110.

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.

Vendor guidance:

How to detect it

There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.

Advisories on this CVE

Apple 2026 zero-days (February 2026)
Apple 2025 zero-days (21 Aug 2025)

References

Exploits and technical analysis

https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security (third-party-advisory)

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14174 (government-resource)

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.

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