⚠ Actively exploited
Added to CISA KEV on 2026-03-13. Federal agencies required to patch by 2026-03-27. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable..

CVE-2026-3909 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write11 documents11 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 47.68%
CISA KEV
KEV
Added 2026-03-13
Due 2026-03-27
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedMar 13
KEV addedMar 13
Latest updateMar 16
KEV dueMar 27
CISA Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/chrome146.0.7680.75 — 146.0.7680.75
▶NVDgoogle/chrome< 146.0.7680.80
▶Debianchromium/chromium< 146.0.7680.80-1~deb12u1+2

🔴Vulnerability Details

4
OSV
CVE-2026-3909: Out of bounds write in Skia in Google Chrome prior to 146↗2026-03-13
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GHSA
GHSA-vmc5-xpp6-2j82: Out of bounds write in Skia in Google Chrome prior to 146↗2026-03-13
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CVEList
CVE-2026-3909: Out of bounds write in Skia in Google Chrome prior to 146↗2026-03-12
▶
VulnCheck
Google Skia Out-of-Bounds Write Vulnerability↗2026
▶

📋Vendor Advisories

5
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2026-3909↗2026-03-16
▶
CISA
Google Skia Out-of-Bounds Write Vulnerability↗2026-03-13
▶
Red Hat
chromium-browser: Out of bounds write in Skia↗2026-03-12
▶
Microsoft
Chromium: CVE-2026-3909 Out of bounds write in Skia↗2026-03-10
▶
Debian
CVE-2026-3909: chromium - Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a re...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-3909 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-3909 — Out-of-bounds Write in Google Chrome | cvebase