CVE-2021-33744
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk48th percentile - higher than 48% of all known CVEs
Summary
A vulnerability in Windows Secure Kernel Mode allows a security feature bypass. An attacker could exploit this flaw to bypass kernel protection mechanisms.
Risk Assessment
The risk is the potential bypass of kernel protections, which could lead to privilege escalation and compromise of system integrity.
Recommendation
It is recommended to apply Windows security updates to prevent bypassing secure kernel features.
Other vulnerabilities in Windows Secure Kernel Mode
See all- CVE-2026-85921High
A double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-83939High
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-69846High
Integer overflow or wraparound in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-69501High
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-50392High
A Use-After-Free vulnerability in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-42982High
Vulnerability in Windows Secure Kernel Mode due to improper validation of input consistency. An authenticated attacker can elevate privileges locally.
Original NVD description (English source)
Windows Secure Kernel Mode Security Feature Bypass Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS