CVE-2023-4762

Chromium: CVE-2023-4762 Type Confusion in V8

CVE-2023-4762 is fixed in 4 products on 2 platforms, first by DEBIAN-CVE-2023-4762, released September 5, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on February 6, 2024. Patch Radar priority: Patch now.

Patch nowCISA KEVFixed on 2 platforms

CVSS

8.8

high

Exploitation

Exploited

Reported by the vendor

CISA KEV

Feb 6, 2024

Federal due date Feb 27, 2024

EPSS

0.4138

98th 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/2023">Google Chrome Releases</a> for more information.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge	116.0.1938.76	Microsoft Edge 116.0.1938.76	Sep 7, 2023
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 12.15 (bookworm)	116.0.5845.180-1~deb12u1	DEBIAN-CVE-2023-4762	Sep 5, 2023
chromium · Debian 13.5 (trixie)	116.0.5845.180-1	DEBIAN-CVE-2023-4762	Sep 5, 2023
chromium · Debian 14	116.0.5845.180-1	DEBIAN-CVE-2023-4762	Sep 5, 2023

Details

Published
September 5, 2023
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 mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4762

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