CVE-2021-23887

7.8 highEPSS 0.2%

High (7.8) in mcafee data loss prevention endpoint. EPSS 0.2% chance of exploitation in the next 30 days.

Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2021-04-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:data_loss_prevention_endpoint

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10354
https://kc.mcafee.com/corporate/index?page=content&id=SB10357
https://kc.mcafee.com/corporate/index?page=content&id=SB10354
https://kc.mcafee.com/corporate/index?page=content&id=SB10357

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