CVE-2026-16396

Опубликовано: 21 июл. 2026

Источник: nvd

CVSS3: 8.8

EPSS Низкий

Описание

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Ссылки

https://bugzilla.mozilla.org/show_bug.cgi?id=2047240
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-68/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-70/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-71/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-72/
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

Версия до 140.13.0 (исключая)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Версия до 153.0.0 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Версия до 140.13.0 (исключая)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Версия от 141.0 (включая) до 153.0 (исключая)

EPSS

Процентиль: 15%

0.00241

Низкий

8.8 High

CVSS3

Дефекты

CWE-269

Связанные уязвимости

CVE-2026-16396

CVSS3: 8.8

ubuntu

9 дней назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16396

CVSS3: 6.1

redhat

10 дней назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16396

CVSS3: 8.8

debian

9 дней назад

Privilege escalation in WebExtensions. This vulnerability was fixed in ...

GHSA-97fr-g29v-hhwf

CVSS3: 9.8

github

9 дней назад

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

SUSE-SU-2026:3221-1

suse-cvrf

7 дней назад

Security update for MozillaFirefox

EPSS

Процентиль: 15%

0.00241

Низкий

8.8 High

CVSS3

Дефекты

CWE-269