CVE-2026-19556
HIGHCVSS 8.8/10EPSS 0.34%
Last modified
CVE-2026-19556 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in V8 in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
Use after free in V8 in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 151.0.7922.137 |
References
- https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/535000102Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-19556?
Use after free in V8 in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-19556?
CVE-2026-19556 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-19556?
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-2026-19539Authorization Bypass Through User-Controlled Key in the tick…8.6
- CVE-2026-19542Calling tdelete on a sufficiently deep tree in the GNU C Lib…5.6
- CVE-2026-19543IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2…6.2
- CVE-2026-19546A flaw was found in DBI. This is a fix for a partial fix for…8.8
- CVE-2026-19548Multiple Use-After-Free vulnerabilities were found in the ad…5.5
- CVE-2026-19550A flaw was found in FreeIPA. The trust-fetch-domains command…8.2
- CVE-2026-19557Use after free in TabStrip in Google Chrome on Mac prior to …8.3
- CVE-2026-19558Use after free in Extensions in Google Chrome prior to 151.0…7.5
- CVE-2026-19559Use after free in HTML in Google Chrome prior to 151.0.7922.…8.8
- CVE-2026-19560Use after free in Blink in Google Chrome prior to 151.0.7922…8.8
- CVE-2026-19561Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-19562Rejected reason: This CVE ID has been rejected or withdrawn …
Are you affected by CVE-2026-19556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST