Type Confusion in Google Chromium - CVE-2026-1862

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Main Vulnerability Database Vulnerabilities #VU122264

Type Confusion in Google Chromium - CVE-2026-1862

Published: February 3, 2026 / Updated: February 8, 2026


Vulnerability identifier: #VU122264
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-1862
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Google Chromium
Microsoft Edge
Prisma Access Browser
Debian Linux
Fedora
chromium (Debian package)
chromium
cef

How to mitigate CVE-2026-1862

Install update from vendor's website.

Google Chromium - update to 144.0.7559.132
Microsoft Edge - update to 144.0.3719.115
chromium (Debian package) - addressed in versions 144.0.7559.109-2~deb12u1, 144.0.7559.109-2~deb13u1
chromium - addressed in versions 144.0.7559.132-1.el9, 144.0.7559.132-1.el10_1, 144.0.7559.132-1.el10_2, 144.0.7559.132-1.fc42, 144.0.7559.132-1.fc43
Prisma Access Browser - update to 144.27.7.133
cef - addressed in versions 145.0.25^chromium145.0.7632.75-4.fc42, 145.0.25^chromium145.0.7632.75-4.fc43, 145.0.25^chromium145.0.7632.75-4.fc44

External References

Related Security Bulletins