CVE-2026-8555
HIGHCVSS 8.8/10EPSS 0.28%
Last modified
CVE-2026-8555 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in GTK in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Use after free in GTK in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 148.0.7778.168 |
References
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.htmlProduct, Vendor Advisory
- https://issues.chromium.org/issues/500033878Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-8555?
Use after free in GTK in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-8555?
CVE-2026-8555 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8555?
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-2026-8549Use after free in Media in Google Chrome prior to 148.0.7778…8.8
- CVE-2026-8550Use after free in Google Lens in Google Chrome prior to 148.…6.5
- CVE-2026-8551Use after free in Downloads in Google Chrome prior to 148.0.…8.8
- CVE-2026-8552Heap buffer overflow in GPU in Google Chrome on Android prio…4.3
- CVE-2026-8553Use after free in GPU in Google Chrome prior to 148.0.7778.1…3.1
- CVE-2026-8554Type Confusion in ANGLE in Google Chrome on Windows prior to…3.1
- CVE-2026-8556Inappropriate implementation in ANGLE in Google Chrome on Wi…3.1
- CVE-2026-8557Use after free in Accessibility in Google Chrome prior to 14…7.5
- CVE-2026-8558Out of bounds write in Fonts in Google Chrome prior to 148.0…8.8
- CVE-2026-8559Integer overflow in Internationalization in Google Chrome on…4.3
- CVE-2026-8560Heap buffer overflow in SwiftShader in Google Chrome on Mac …4.3
- CVE-2026-8561Incorrect security UI in Fullscreen in Google Chrome prior t…5.4
Are you affected by CVE-2026-8555?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST