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Vulnerability IntelligenceCVE-2026-12443

CVE-2026-12443

HIGH8.8

Use after free in Web Authentication in Google Chrome prior to 149

Published Jun 17, 2026

Modified 5 days ago

Fix available

Details

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

149.0.7827.155

References

WEB

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html

WEB

https://issues.chromium.org/issues/522566295

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-12443

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Memory Safety

CWE-416

Use After Free

Ecosystems(22)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedJun 17, 2026

ModifiedJun 18, 2026

CVE-2026-12443 | Mondoo Vulnerability Intelligence