Microsoft Defender
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Recent Microsoft Defender Security Advisories
| Advisory | Title | Published |
|---|---|---|
| CVE-2026-105726 | CVE-2026-105726 Microsoft Defender Information Disclosure Vulnerability | October 13, 2026 |
| CVE-2026-102204 | CVE-2026-102204 Microsoft Microsoft Defender for Endpoint Elevation of Privilege Vulnerability | October 13, 2026 |
| CVE-2026-70264 | CVE-2026-70264 Microsoft Defender Information Disclosure Vulnerability | October 13, 2026 |
| CVE-2026-69414 | CVE-2026-69414 Microsoft Defender Elevation of Privilege Vulnerability | August 14, 2026 |
| CVE-2026-54123 | CVE-2026-54123 Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability | August 11, 2026 |
| CVE-2026-55012 | CVE-2026-55012 Microsoft Defender Remote Code Execution Vulnerability | July 14, 2026 |
| CVE-2026-56178 | CVE-2026-56178 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability | July 14, 2026 |
| CVE-2026-50657 | CVE-2026-50657 Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability | July 14, 2026 |
| CVE-2026-50658 | CVE-2026-50658 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability | July 14, 2026 |
| CVE-2026-55011 | CVE-2026-55011 Microsoft Defender Remote Code Execution Vulnerability | July 14, 2026 |
By the Year
In 2026 there have been 2 vulnerabilities in Microsoft Defender with an average score of 5.9 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 2 | 5.90 |
It may take a day or so for new Microsoft Defender vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Defender Security Vulnerabilities
May 2026: Microsoft Defender Denial of Service Vulnerability
CVE-2026-45498
4 - Medium
- May 20, 2026
Microsoft Defender Denial of Service Vulnerability
Resource Exhaustion
Apr 2026: Microsoft Defender Elevation of Privilege Vulnerability
CVE-2026-33825
7.8 - High
- April 14, 2026
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
Insufficient Granularity of Access Control
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