CVE-2026-121077
Last modified
CVE-2026-121077 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 157.0.8103.38 |
References
- https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/570026368Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-121077?
How severe is CVE-2026-121077?
How do I fix CVE-2026-121077?
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-2026-121071Incorrect authorization in FileSystem in Google Chrome prior…9.6
- CVE-2026-121072Uninitialized resource in Skia in Google Chrome prior to 157…6.5
- CVE-2026-121073Use after free in Network in Google Chrome prior to 157.0.81…9.6
- CVE-2026-121074Memory corruption in GPU in Google Chrome on on Android prio…9.6
- CVE-2026-121075Missing authorization in DevTools in Google Chrome prior to …
- CVE-2026-121076Use after free in WebXR in Google Chrome prior to 157.0.8103…9.6
- CVE-2026-121078Type confusion in V8 in Google Chrome prior to 157.0.8103.38…8.8
- CVE-2026-121079Race condition in V8 in Google Chrome prior to 157.0.8103.38…8.8
- CVE-2026-12108The Highlighting Code Block plugin for WordPress is vulnerab…4.4
- CVE-2026-121080Use after free in Codecs in Google Chrome prior to 157.0.810…4.3
- CVE-2026-121081UI misrepresentation in Passwords in Google Chrome prior to …5.9
- CVE-2026-121082Type confusion in V8 in Google Chrome prior to 157.0.8103.38…8.8
Are you affected by CVE-2026-121077?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST