CVE-2021-23883

4.4 mediumEPSS 0.3%

Medium (4.4) in mcafee endpoint security. EPSS 0.3% chance of exploitation in the next 30 days.

A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.

Severity

CVSS 3.1

4.4 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:endpoint_security

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10345
https://kc.mcafee.com/corporate/index?page=content&id=SB10345

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