CVE-2025-9478

highpriority · track · 13EPSS 0.074 · 94 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

7.42% (94th) EPSS

CVSS 8.8 · high

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USCWE-416US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Kamgreen50/STIG-Edge-RCE-CVE2025-9478Remediation of Microsoft Edge (Chromium) Remote Code Execution vulnerability (CVE-2025-9478, Plugin ID: 258091). Documentation includes before/after evidence, remediation steps, and Tenable validation.PoC · poc_in_github

affected products (25)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Open Source WebKitGTK< 2.54.0cert_bundDE
Google Chrome139.0.7258.154 → 139.0.7258.154enisa_euvdEU
Google Inc Google Chrome≤ 139.0.7258.155fstec_bduRU
Google Inc Google Chrome≤ 139.0.7258.154fstec_bduRU
Google Inc Google Chrome≤ 139.0.7258.158fstec_bduRU
Microsoft Corp Microsoft Edge≤ 139.0.3405.125fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.6fstec_bduRU
Novell Inc. SUSE Package Hub≤ 15 SP6fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.14fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 3.1fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 1.6 «Смоленск»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 4.7fstec_bduRU

showing 20 of 25

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1913Google Chrome und Microsoft Edge: Schwachstelle ermöglicht CodeausführungDeutsch2025-08-26csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Google Chrome und Microsoft Edge ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2026-3625WebKitGTK: Mehrere SchwachstellenDeutsch2026-09-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren, Spoofing-Angriffe durchzuführen oder Denial-of-Service-Zustände zu verursachen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-08-26modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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