CVE-2026-4463
HIGHCVSS 8.8/10EPSS 0.30%
Last modified
CVE-2026-4463 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Heap buffer overflow in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Heap buffer overflow in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption 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 | < 146.0.7680.153 |
References
- https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/491358681Issue Tracking, Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-4463?
Heap buffer overflow in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-4463?
CVE-2026-4463 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4463?
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-2026-44617LDAP filter injection vulnerability in Apache Zeppelin. Ldap…6.5
- CVE-2026-44618Insecure XML parser configuration in Apache CXF's WS-Transfe…5.3
- CVE-2026-4462Out of bounds read in Blink in Google Chrome prior to 146.0.…8.8
- CVE-2026-44621With NLnet Labs Unbound up to and including version 1.25.1, …5.9
- CVE-2026-44622Charging station authentication identifiers are publicly acc…6.9
- CVE-2026-44628An unauthenticated attacker can crash the worklist server wi…8.7
- CVE-2026-44630Improper validation of length fields in the Apache IoTDB RPC…7.5
- CVE-2026-44631Buffer Underwrite vulnerability in Apache HTTP Server on cra…9.8
- CVE-2026-44632Yamcs is a mission control framework. Prior to 5.12.7, a ser…9.1
- CVE-2026-44633Live Helper Chat is an open-source application that enables …8.1
- CVE-2026-44634SimpleBLE is a cross-platform library and bindings for Bluet…8.7
- CVE-2026-44635Kysely is a type-safe TypeScript SQL query builder. From 0.2…7.5
Are you affected by CVE-2026-4463?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST