Microsoft · Defender
CVE-2022-44698
Windows SmartScreen Security Feature Bypass Vulnerability
Exploited in attacks
Used by ransomware
Medium 5.4 Attack chance: 76%
What it is
Windows SmartScreen Security Feature Bypass Vulnerability
CISA: Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: January 3, 2023
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Link Following | Defender | High 7.8 | 8.2% |
| May 20, 2026 | Denial of Service | Defender | Medium 4.0 | 63% |
| Apr 22, 2026 | Insufficient Granularity of Access Control | Defender | High 7.8 | 6.7% |
| Nov 3, 2021 | Remote Code Execution | Defender | High 7.8 | 40% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.