UNKNOWN CISA KEV Actively Exploited

CVE-2026-11645

chromium-browser: Out of bounds memory access in V8

CVSS v3

—

UNKNOWN

EPSS Score

1.7%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

active

SSVC status

Description

Microsoft Security Update (CVE-2026-11645)

CISA Known Exploited Vulnerability

Date Added
6/9/2026
Patch Due Date
6/23/2026
Ransomware Use
Unknown

Technical details

Published
6/19/2026
MSRC Title
Chromium: CVE-2026-11645 Out of bounds memory access in V8

Frequently asked questions

What is CVE-2026-11645?

Microsoft Security Update (CVE-2026-11645)

Is CVE-2026-11645 actively exploited?

Yes. CVE-2026-11645 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 6/23/2026.

What is the CVSS score for CVE-2026-11645?

A CVSS score has not been assigned to CVE-2026-11645 yet.

Is CVE-2026-11645 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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