CVE-2026-12447
HIGHCVSS 8.8/10EPSS 0.43%
Last modified
CVE-2026-12447 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 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 | < 149.0.7827.155 |
References
- https://issues.chromium.org/issues/513405023Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-12447?
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-12447?
CVE-2026-12447 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2026-12447?
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-2026-124464OpenEMR before 8.4.0 contains an authorization bypass vulner…6.5
- CVE-2026-124465Trendyol kafka-konsumer from 2.3.3 before 2.6.18 contains a …6.5
- CVE-2026-124466OpenEMR before 8.4.0 contains a server-side request forgery …7.2
- CVE-2026-124467OpenEMR before 8.4.0 contains a local file inclusion in the …8.8
- CVE-2026-124468OpenEMR before 8.3.0 contains an SQL injection vulnerability…7.1
- CVE-2026-124469OpenEMR before 8.3.0 contains an SQL injection vulnerability…9.9
- CVE-2026-124470OpenEMR before 8.3.0 contains a broken object level authoriz…6.5
- CVE-2026-124471OpenEMR before 8.3.0 contains a missing authorization vulner…8.1
- CVE-2026-124472OpenEMR before 8.3.0 contains a missing authorization vulner…8.1
- CVE-2026-124473OpenEMR before 8.3.0 contains a broken object-level authoriz…7.1
- CVE-2026-124474MRBS (Meeting Room Booking System) before 1.12.3 contains a …6.1
- CVE-2026-124475OpenEMR before 8.3.0 contains an insecure direct object refe…7.1
Are you affected by CVE-2026-12447?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST