Google Skia Out-of-Bounds Write Vulnerability (CVE-2026-3909)
Severity: high · Patch status: unknown · Since 2026-03-13 · CVE-2026-3909
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. CISA added CVE-2026-3909 to its Known Exploited Vulnerabilities catalog on Mar 13, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 27, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
