Microsoft
Microsoft Defender: vulnerabilities and CVEs
Microsoft Defender has 1 published vulnerabilities, 1 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs1
Last 12 months1
Critical0
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-74801 | High (8.6) | 0.21% | — | Aug 17, 2026 | SiYuan before 3.7.4 fails to properly escape workspace directory paths when constructing command-line arguments for the elevated elevator.exe helper process. Attackers can create a malicious workspace directory with… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.