CVE-2026-11649: Use after free in V8
Chromium: CVE-2026-11648 Use after free in FullScreen
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 V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (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 149.0.7827.102 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 149.0.4022.62 - Upgrade
Upgrade
Google Chrome / Chromium (Edge Chromium-based)to a version that resolves this vulnerability.Fixed in 149.0.7827.103 - Compensating control
If patching immediately is not possible, mitigate exploitation of the V8 use-after-free (CVE-2026-11648) by restricting or sandboxing untrusted HTML content (e.g., disable access to untrusted web content in environments where possible) until Chromium/Chrome is updated to 149.0.7827.103 or later.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-11628
- CVE-2026-11629
- CVE-2026-11630
- CVE-2026-11631
- CVE-2026-11632
- CVE-2026-11633
- CVE-2026-11634
- CVE-2026-11635
- CVE-2026-11636
- CVE-2026-11637
- CVE-2026-11638
- CVE-2026-11639
- CVE-2026-11640
- CVE-2026-11641
- CVE-2026-11642
- CVE-2026-11643
- CVE-2026-11644
- CVE-2026-11645
- CVE-2026-11646
- CVE-2026-11647
- CVE-2026-11648
- CVE-2026-11650
- CVE-2026-11651
- CVE-2026-11652
- CVE-2026-11653
- CVE-2026-11654
- CVE-2026-11655
- CVE-2026-11656
- CVE-2026-11657
- CVE-2026-11658
- CVE-2026-11659
- CVE-2026-11660
- CVE-2026-11661
- CVE-2026-11662
- CVE-2026-11663
- CVE-2026-11664
- CVE-2026-11665
- CVE-2026-11666
- CVE-2026-11667
- CVE-2026-11668
- CVE-2026-11669
- CVE-2026-11670
- CVE-2026-11671
- CVE-2026-11672
- CVE-2026-11673
- CVE-2026-11674
- CVE-2026-11675
- CVE-2026-11676
- CVE-2026-11677
- CVE-2026-11678
- CVE-2026-11679
- CVE-2026-11680
- CVE-2026-11681
- CVE-2026-11682
- CVE-2026-11683
- CVE-2026-11684
- CVE-2026-11685
- CVE-2026-11686
- CVE-2026-11687
- CVE-2026-11688
- CVE-2026-11689
- CVE-2026-11690
- CVE-2026-11691
- CVE-2026-11692
- CVE-2026-11693
- CVE-2026-11694
- CVE-2026-11695
- CVE-2026-11696
- CVE-2026-11697
- CVE-2026-11698
- CVE-2026-11699
- CVE-2026-11700
- CVE-2026-11701
Frequently Asked Questions
What is the severity of CVE-2026-11649?
The severity of CVE-2026-11649 is high with a CVSS score of 8.8.
How do I fix CVE-2026-11649?
To fix CVE-2026-11649, update Google Chrome to version 149.0.7827.103 or later.
What causes the vulnerability CVE-2026-11649?
CVE-2026-11649 is caused by a use after free error in the V8 engine of Google Chrome.
What are the potential impacts of CVE-2026-11649?
Exploitation of CVE-2026-11649 allows remote attackers to execute arbitrary code inside a sandbox.
In which versions of Google Chrome is CVE-2026-11649 present?
CVE-2026-11649 affects Google Chrome versions prior to 149.0.7827.103.