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HIGH

CVE-2026-84001

CVSS v3

7.5

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.

Technical details

Published
2026-09-08
Last Modified
2026-09-09

Frequently asked questions

What is CVE-2026-84001?

Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.

Is CVE-2026-84001 actively exploited?

Active exploitation of CVE-2026-84001 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-84001?

CVE-2026-84001 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-84001 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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