CVE-2026-5281
KEVGoogle Dawn Use-After-Free Vulnerability
Description
Google Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. This vulnerability could affect multiple Chromium-based products including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedApr 1, 2026
Last modifiedJul 24, 2026
Added to KEVApr 1, 2026
Remediation dueApr 15, 2026
References
- chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.htmlVendor Advisory
- issues.chromium.org/issues/491518608Issue TrackingPermissions Required
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5281US Government Resource
0 recent articles mention this CVE
75
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 195 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 13.5% · top 4% of all CVEs
- Weakness
- CWE-416
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.