CVE-2026-3909
Google Skia Out-of-Bounds Write Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 27 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.63% probability · 75th percentile
- CISA KEV
- Listed 13 March 2026 · due 27 March 2026
- Weakness
- CWE-787
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3909
References
- https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/491421267Permissions Required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3909US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.