What’s Vulnerable › Products
Microsoft Windows Defender vulnerabilities
29 known vulnerabilities, 2 confirmed exploited in the wild (CISA KEV), 1 published in the last 12 months.
Check whether your Microsoft Windows Defender version is affected
Exploited Microsoft Windows Defender vulnerabilities
- CVE-2017-8540 — Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
- CVE-2021-1647 — Microsoft Defender Remote Code Execution Vulnerability
Latest Microsoft Windows Defender vulnerabilities
- CVE-2026-70264 — Microsoft Defender Information Disclosure Vulnerability (CVSS 5.5)
- CVE-2023-36422 — Microsoft Windows Defender Elevation of Privilege Vulnerability (CVSS 7.8)
- CVE-2023-38175 — Microsoft Windows Defender Elevation of Privilege Vulnerability (CVSS 7.8)
- CVE-2021-24092 — Microsoft Defender Elevation of Privilege Vulnerability (CVSS 4.6)
- CVE-2021-1647 — Microsoft Defender Remote Code Execution Vulnerability (CVSS 7.2) — exploited
- CVE-2020-1461 — (CVSS 7.1)
- CVE-2020-1170 — (CVSS 7.8)
- CVE-2020-1163 — (CVSS 7.8)
- CVE-2020-1002 — (CVSS 7.1)
- CVE-2020-0835 — (CVSS 7.8)
- CVE-2019-1255 — (CVSS 7.5)
- CVE-2019-1161 — Microsoft Defender Elevation of Privilege Vulnerability (CVSS 7.1)
- CVE-2018-0986 — (CVSS 8.8)
- CVE-2017-8558 — (CVSS 7.8)
- CVE-2017-8542 — (CVSS 5.5)
- CVE-2017-8541 — (CVSS 7.8)
- CVE-2017-8540 — Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability (CVSS 7.8) — exploited
- CVE-2017-8539 — (CVSS 5.5)
- CVE-2017-8538 — (CVSS 7.8)
- CVE-2017-8537 — (CVSS 5.5)
- CVE-2017-8536 — (CVSS 5.5)
- CVE-2017-8535 — (CVSS 5.5)
- CVE-2017-0290 — (CVSS 7.8)
- CVE-2013-3154 — (CVSS 6.9)
- CVE-2013-0078 — (CVSS 7.2)