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HIGH

CVE-2026-20875

CVSS v3

7.5

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

Technical details

Published
2026-01-13
Last Modified
2026-01-15

Frequently asked questions

What is CVE-2026-20875?

Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

Is CVE-2026-20875 actively exploited?

Active exploitation of CVE-2026-20875 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-20875?

CVE-2026-20875 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-20875 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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