CVE-2026-7991: High Use after free in UI
Chromium: CVE-2026-7991 Use after free in UI
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 UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
— NVD
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome/Chromiumto a version that resolves this vulnerability.Fixed in 148.0.7778.96 - Compensating control
If you can, prevent untrusted users/content from reaching the affected renderer process (crafted HTML) to reduce exposure to the UI use-after-free issue.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-76033
- CVE-2026-12462
- CVE-2026-12025
- CVE-2026-76018
- CVE-2026-12016
- CVE-2026-76023
- CVE-2026-11701
- CVE-2026-11664
- CVE-2026-76022
- CVE-2026-76045
- CVE-2026-19558
- CVE-2026-13027
- CVE-2026-17693
- CVE-2026-15777
- CVE-2026-19144
- CVE-2026-11666
- CVE-2026-10949
- CVE-2026-11658
- CVE-2026-11652
- CVE-2026-19559
- CVE-2026-10938
- CVE-2026-9124
- CVE-2026-9951
- CVE-2026-11681
- CVE-2026-19145
- CVE-2026-13034
- CVE-2026-19165
Frequently Asked Questions
What is the severity of CVE-2026-7991?
CVE-2026-7991 has a high severity rating of 8.8 according to the CVSS 3.1 scoring system.
How do I fix CVE-2026-7991?
To mitigate CVE-2026-7991, update Google Chrome and Microsoft Edge to the latest versions, specifically version 148.0.7778.96 or later.
What is the impact of CVE-2026-7991?
CVE-2026-7991 allows for a use after free condition in the UI, which can potentially lead to remote code execution.
Which software is affected by CVE-2026-7991?
CVE-2026-7991 affects Google Chrome and Microsoft Edge (Chromium-based) browsers.
When was CVE-2026-7991 published?
CVE-2026-7991 was published on April 2, 2026.