CVE-2021-23874
Actively exploited. CVE-2021-23874 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense.
CSIRTS triage
- What
- An improper privilege management vulnerability allows a local user to gain elevated privileges and execute code.
- Who is affected
- Local users of McAfee Total Protection (MTP) with the affected version.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest updates for McAfee Total Protection.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 60% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-23874: McAfee Total Protection (MTP) Improper Privilege Management Vulnerabilitycisa-kev · 2021-11-03
External references
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