CVE-2026-12449: Use after free in Chromoting
Chromium: CVE-2026-12449 Use after free in Chromoting
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in Chromoting in Google Chrome on Windows prior to 149.0.7827.155 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)
— NVD
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 149.0.7827.155 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 149.0.4022.80 - Upgrade
Upgrade
Chromium (Chromoting)to a version that resolves this vulnerability.Fixed in 149.0.7827.155 - Upgrade
Upgrade
Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 149.0.7827.155
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-12437
- CVE-2026-12438
- CVE-2026-12439
- CVE-2026-12440
- CVE-2026-12441
- CVE-2026-12442
- CVE-2026-12443
- CVE-2026-12444
- CVE-2026-12445
- CVE-2026-12446
- CVE-2026-12447
- CVE-2026-12448
- CVE-2026-12450
- CVE-2026-12451
- CVE-2026-12452
- CVE-2026-12453
- CVE-2026-12454
- CVE-2026-12455
- CVE-2026-12456
- CVE-2026-12457
- CVE-2026-12458
- CVE-2026-12459
- CVE-2026-12460
- CVE-2026-12461
- CVE-2026-12462
- CVE-2026-12463
- CVE-2026-12464
- CVE-2026-12465
- CVE-2026-12466
- CVE-2026-12467
- CVE-2026-12468
- CVE-2026-12469
Frequently Asked Questions
What is the severity of CVE-2026-12449?
CVE-2026-12449 has a high severity rating due to its potential for OS-level privilege escalation.
How do I fix CVE-2026-12449?
To fix CVE-2026-12449, update Google Chrome to version 149.0.7827.155 or later.
Who is affected by CVE-2026-12449?
CVE-2026-12449 affects users of Google Chrome on Windows prior to version 149.0.7827.155.
What type of vulnerability is CVE-2026-12449?
CVE-2026-12449 is classified as a Use After Free vulnerability.
Can CVE-2026-12449 be exploited by remote attackers?
CVE-2026-12449 allows local attackers to exploit the vulnerability through a malicious file.