CVE-2026-74985

criticalpriority · track · 0EPSS 0.005 · 44 %ileDEUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (44th) EPSS

CVSS 9.8 · critical

Is it mine?

24 products

Check your exposure

Who says so?

1 sources

cert_bund

EPSS · scored 2026-10-27

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269US

affected products (24)

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:-
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
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:-
Mozilla Firefox< 154cert_bundDE
Mozilla Firefox ESR< 115.39cert_bundDE
Mozilla Firefox ESR< 140.14cert_bundDE
Mozilla Firefox ESR< 153.1cert_bundDE
Mozilla Mozilla Firefox <154< 154cert_bundDE
Mozilla Mozilla Firefox ESR <115.39< 115.39cert_bundDE
Mozilla Mozilla Firefox ESR <140.14< 140.14cert_bundDE
Mozilla Mozilla Firefox ESR <153.1< 153.1cert_bundDE
Mozilla Mozilla Thunderbird <140.14< 140.14cert_bundDE
Mozilla Mozilla Thunderbird <153.1< 153.1cert_bundDE
Mozilla Mozilla Thunderbird <154< 154cert_bundDE
Mozilla Thunderbird< 140.14cert_bundDE

showing 20 of 24

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2911Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere SchwachstellenDeutsch2026-08-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Firefox ESR und Thunderbird ausnutzen, um seine Privilegien zu erhöhen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Spoofing- oder Clickjacking-Angriffe durchzuführen oder Denial-of-Service-Zustände herbeizuführen.

sources

Which sources assert this record, and when.

cert_bund NVD CVE.org MITRE

published 2026-08-18modified 2026-08-25

references (5) nvd

External citations — patches, advisories, analysis.

https://bugzilla.mozilla.org/show_bug.cgi?id=2059825Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-74/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-77/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-78/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-80/Vendor Advisory

scry

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