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UNKNOWN CISA KEV Actively Exploited

CVE-2026-5281

chromium-browser: Use after free in Dawn

CVSS v3

—

UNKNOWN

EPSS Score

1.1 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

active

SSVC status

Description

Microsoft Security Update (CVE-2026-5281)

CISA Known Exploited Vulnerability

Date Added
2026-04-01
Patch Due Date
2026-04-15
Ransomware Use
Unknown

Technical details

Published
2026-05-07
MSRC Title
Chromium: CVE-2026-5281 Use after free in Dawn

Frequently asked questions

What is CVE-2026-5281?

Microsoft Security Update (CVE-2026-5281)

Is CVE-2026-5281 actively exploited?

Yes. CVE-2026-5281 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-04-15.

What is the CVSS score for CVE-2026-5281?

A CVSS score has not been assigned to CVE-2026-5281 yet.

Is CVE-2026-5281 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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