CVE-2026-3909

high Red Hat ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
27.1%
Exploitation probability in 30 days
Top 4% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: March 12, 2026 (63 days ago)
Last Modified: March 12, 2026
Vendor: Red Hat
Source: REDHAT

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2026-03-13
Remediation Due: 2026-03-27 (⚠ 48d overdue)

Description

An out of bounds write flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=491421267

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 chromereleases.googleblog.com 🔗 issues.chromium.org