CVE-2021-23891
Privilege Escalation vulnerability in McAfee Total Protection (MTP)
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Privilege Escalation vulnerability in McAfee Total Protection (MTP)
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.
- Record
CVE-2021-23891- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2021-10817
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.
- Record
EUVD-2021-10817- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6m54-ffmq-mhh6 No score
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a...
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.
- Record
GHSA-6m54-ffmq-mhh6- Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by impersonating a client token which could lead to the bypassing of MTP self-defense.
- Record
CVE-2021-23891- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - 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 - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23891 is a high vulnerability (CVSS 7.8) in Mcafee Total Protection, published May 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.