CVE-2026-11221
Last modified
CVE-2026-11221 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Insufficient validation of untrusted input in PointerLock in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low). EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
Insufficient validation of untrusted input in PointerLock in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 149.0.7827.53 |
References
- https://issues.chromium.org/issues/492211919Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-11221?
How severe is CVE-2026-11221?
How do I fix CVE-2026-11221?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-11216Incorrect security UI in File Input in Google Chrome prior t…4.3
- CVE-2026-11217Inappropriate implementation in Fenced Frames in Google Chro…6.5
- CVE-2026-11218Inappropriate implementation in PlatformIntegration in Googl…6.8
- CVE-2026-11219Inappropriate implementation in Navigation in Google Chrome …4.3
- CVE-2026-1122A vulnerability was determined in Yonyou KSOA 9.0. This impa…9.8
- CVE-2026-11220Insufficient validation of untrusted input in Navigation in …6.5
- CVE-2026-11222Incorrect security UI in Tab Strip in Google Chrome prior to…6.5
- CVE-2026-11223Insufficient validation of untrusted input in Network in Goo…6.5
- CVE-2026-11224Use after free in Chromoting in Google Chrome on Linux prior…8.1
- CVE-2026-11225Inappropriate implementation in WebUI in Google Chrome prior…6.5
- CVE-2026-11226Insufficient policy enforcement in PreviewTab in Google Chro…6.5
- CVE-2026-11227Incorrect security UI in Tab Hover Cards in Google Chrome pr…6.5
Are you affected by CVE-2026-11221?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST