CVE-2022-4262

Chromium: CVE-2022-4262 Type Confusion in V8

CVE-2022-4262 is fixed in 8 products on 2 platforms, first by DEBIAN-CVE-2022-4262, released December 2, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on December 5, 2022. Patch Radar priority: Patch now.

Patch nowCISA KEVFixed on 2 platforms

CVSS

8.8

high

Exploitation

Exploited

Reported by the vendor

CISA KEV

Dec 5, 2022

Federal due date Dec 26, 2022

EPSS

0.2351

97th percentile

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2022">Google Chrome Releases</a> for more information.</p> <p>Google is aware that an exploit for CVE-2022-4262 exists in the wild.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge Beta	127.0.2651.8	Microsoft Edge Beta 127.0.2651.8	Jun 21, 2024
Microsoft Edge Dev	127.0.2651.8	Microsoft Edge Dev 127.0.2651.8	Jun 21, 2024
Linux
chromium · Debian 11.6 (bullseye)	108.0.5359.94-1~deb11u1	DSA-5295-1	Dec 4, 2022
chromium · Debian 12.15 (bookworm)	108.0.5359.94-1	DEBIAN-CVE-2022-4262	Dec 2, 2022
chromium · Debian 13.5 (trixie)	108.0.5359.94-1	DEBIAN-CVE-2022-4262	Dec 2, 2022
chromium · Debian 14	108.0.5359.94-1	DEBIAN-CVE-2022-4262	Dec 2, 2022
chromium-browser · Ubuntu 18.04.6 LTS (bionic)	109.0.5414.74-0ubuntu0.18.04.14	chromium-browser 109.0.5414.74-0ubuntu0.18.04.14	Jan 10, 2023
chromium-browser-l10n · Ubuntu 18.04.6 LTS (bionic)	109.0.5414.74-0ubuntu0.18.04.14	chromium-browser-l10n 109.0.5414.74-0ubuntu0.18.04.14	Jan 10, 2023
chromium-chromedriver · Ubuntu 18.04.6 LTS (bionic)	109.0.5414.74-0ubuntu0.18.04.14	chromium-chromedriver 109.0.5414.74-0ubuntu0.18.04.14	Jan 10, 2023
chromium-codecs-ffmpeg · Ubuntu 18.04.6 LTS (bionic)	109.0.5414.74-0ubuntu0.18.04.14	chromium-codecs-ffmpeg 109.0.5414.74-0ubuntu0.18.04.14	Jan 10, 2023
chromium-codecs-ffmpeg-extra · Ubuntu 18.04.6 LTS (bionic)	109.0.5414.74-0ubuntu0.18.04.14	chromium-codecs-ffmpeg-extra 109.0.5414.74-0ubuntu0.18.04.14	Jan 10, 2023

Details

Published
December 2, 2022
Weakness
CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA required action
Apply updates per vendor instructions.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-4262

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