CVE-2021-33744
Low
No strong exploitation signal.
CVSS base
5.3
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
EPSS — probability of exploitation (30 days)
0.8%
54.6th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2021-07-14 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
| Attack Vector | L | Local |
| Attack Complexity | H | High |
| Privileges Required | H | High |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | N | None |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2021-07-14 — Published (NVD)
- 2026-08-10 — Last modified (NVD)
Description
Windows Secure Kernel Mode Security Feature Bypass Vulnerability