CVE-2026-126885
CRITICALCVSS 9.6/10EPSS 0.37%
Last modified
CVE-2026-126885 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in ServiceWorker in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical). EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
Use after free in ServiceWorker in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 157.0.8103.78 |
References
- https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/568699166Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-126885?
Use after free in ServiceWorker in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
How severe is CVE-2026-126885?
CVE-2026-126885 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126885?
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-2026-12688The ProfileGrid WordPress plugin before 5.9.9.7 does not ve…6.5
- CVE-2026-126880Type confusion in V8 in Google Chrome prior to 157.0.8103.78…8.8
- CVE-2026-126881Improper initialization in Media in Google Chrome prior to 1…8.8
- CVE-2026-126882Information leak in Skia in Google Chrome prior to 157.0.810…3.1
- CVE-2026-126883Use after free in Core in Google Chrome on on Windows prior …7.5
- CVE-2026-126884Out of bounds read in Skia in Google Chrome prior to 157.0.8…4.7
- CVE-2026-126886Use after free in Frames in Google Chrome prior to 157.0.810…8.8
- CVE-2026-126887Use after free in Animation in Google Chrome prior to 157.0.…8.8
- CVE-2026-126888Buffer overflow in Turbolev in Google Chrome prior to 157.0.…8.8
- CVE-2026-126889Off-by-one error in V8 in Google Chrome prior to 157.0.8103.…8.8
- CVE-2026-12689The ProfileGrid WordPress plugin before 5.9.9.7 does not pe…5.4
- CVE-2026-126890Out of bounds read in Media in Google Chrome prior to 157.0.…8.8
Are you affected by CVE-2026-126885?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST