CVE-2021-23874McAfee Total Protection (MTP) privilege escalation vulnerability
Updated under an hour ago ()
Does this affect you?
It affects McAfee,LLC McAfee Total Protection (MTP) and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by Nov 17, 2021. Treat that date as your deadline.
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Free account, 1 product
Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP self-defense.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-269
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due Nov 17, 2021Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 1.03% (percentile 63)
- Assigned by
- trellix
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
McAfee,LLC McAfee Total Protection (MTP) mcafee:total_protection_mtp (from the name) | from unspecified before 16.0.30 | CNA record |
mcafee total_protection mcafee:total_protection | before 16.0.30 | NVD |
References
- http://service.mcafee.com/FAQDocument.aspx?&id=TS103114x-refsource-confirm, broken-link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-23874us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.