CVE-2026-121100
HIGHCVSS 8.8/10EPSS 0.33%
Last modified
CVE-2026-121100 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in DOM in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
Use after free in DOM in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
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/570796613Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-121100?
Use after free in DOM in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-121100?
CVE-2026-121100 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-121100?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-121095Uninitialized resource in WebGL in Google Chrome prior to 15…
- CVE-2026-121096Incomplete cleanup in V8 in Google Chrome prior to 157.0.810…
- CVE-2026-121097Use after free in Printing in Google Chrome prior to 157.0.8…8.8
- CVE-2026-121098Improper state validation in GPU in Google Chrome prior to 1…8.3
- CVE-2026-121099Information leak in PrivateTokens in Google Chrome prior to …6.5
- CVE-2026-12110The Taskbuilder – Project Management & Task Management Tool …6.5
- CVE-2026-121101Missing authorization in DevTools in Google Chrome prior to …
- CVE-2026-121102Missing authorization in BackgroundFetch in Google Chrome pr…8.8
- CVE-2026-121103Incorrect authorization in Extensions in Google Chrome prior…
- CVE-2026-121104Incorrect authorization in FileSystem in Google Chrome prior…9.6
- CVE-2026-121105Information leak in Network in Google Chrome prior to 157.0.…6.5
- CVE-2026-121106Information leak in Omnibox in Google Chrome on on Android p…6.5
Are you affected by CVE-2026-121100?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST