CVE-2026-3909
Google — Google Skia Out-of-Bounds Write Vulnerability
Google · CWE-787 — Out-of-bounds write · in CISA KEV since 2026-03-13
EVRS 75 of 100 Urgent
Patch This Cycle
Rank 1,218 of 2,960 tracked
Raised to the floor for a confirmed exploited vulnerability.
Why it scores 75
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.023.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
- 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
- nvd.nist.gov/…/CVE-2026-3909
Fixed in
Red Hat Enterprise Linux AppStream (v. 9) -> webkit2gtk3-0:2.54.0-1.el9_8.aarch64 | Red Hat Enterprise Linux AppStream (v. 8) -> webkit2gtk3-0:2.54.0-1.el8_10.aarch64 | SUSE Liberty Linux 9 -> webkit2gtk3-0:2.54.0-1.el9_8.i686 | SUSE Liberty Linux 8 -> webkit2gtk3-0:2.54.0-1.el8_10.i686 | SUSE Linux Enterprise Server 16.0 -> WebKitGTK-4.1-lang-0:2.54.1-160000.1.1.noarch | Open Enterprise Server 23.4 -> WebKitGTK-4.0-lang-0:2.54.1-150400.4.152.2.noarch | openSUSE Leap 16.0 -> chromedriver-0:146.0.7680.177-bp160.1.1.aarch64 | openSUSE Leap 16.0 -> WebKitGTK-4.0-lang-0:2.54.1-160000.1.1.noarch | chromium -> 146.0.7680.80-1~deb12u1 | chromium -> 146.0.7680.80-1 | wpewebkit -> 2.54.0-1 | webkit2gtk -> 2.54.0-1 | chromium -> 146.0.7680.80-1~deb13u1 | webkit2gtk -> 2.54.0-1~deb13u1
Affected versions
- chrome
< 146.0.7680.80 - macos
- linux kernel
- windows
Remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 8.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.023 (83.5th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2026-03-27 · CISA federal deadline · Overdue by 7 months | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 8.8 (v3.1), assigned by Chrome. | Listed | ENISA EUVD |
Description
NVDOut 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)
What CISA says to do