CVE entry · CVE-2026-3909
CVE-2026-3909: Google Skia Out-of-Bounds Write Vulnerability
Google Skia contains an out-of-bounds write vulnerability that could allow a remote attacker to perform out of bounds memory access via a crafted HTML page. This vulnerability affects Google Chrome and ChromeOS, Android, Flutter, and possibly other products.
- Actively exploited: added to CISA’s KEV catalog on March 13, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: March 27, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Google Skia, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
Other Google vulnerabilities
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Google Pixel Improper Authorization Vulnerability
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Google Chromium V8 Out of Bounds Write Vulnerability
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Google Chromium V8 Type Confusion Vulnerability
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Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
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Google Dawn Use-After-Free Vulnerability
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Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability