Privilege escalation in Microsoft Windows
CVE-2021-45440
A unnecessary privilege vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security 10.0 SP1 (on-prem versions only) could allow a local attacker to abuse an impersonation privilege and elevate to a higher level of p…
Vulnerability class: Privilege Escalation
EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2019
- Trend Micro Worry-free Business Security — versions 10.0 SP1
- Trendmicro Apex_one — versions 2019
- Trendmicro Worry-free_business_security — versions 10.0
- Trendmicro Worry-free_business_security_services
Weakness classification (CWE)
References
- security@trendmicro.com (Patch, x_refsource_MISC, Vendor Advisory)
- security@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-45440?
- CVE-2021-45440 is a high-severity vulnerability in Microsoft Windows, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-01-10.
- How severe is CVE-2021-45440?
- High severity. CVSS v3 base score is 7.8 out of 10.