# Microsoft Defender for Endpoint vulnerabilities

Source: https://junglewise.ai/threats/technologies/defender-for-endpoint  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/defender-for-endpoint.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Microsoft Defender for Endpoint: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-102204, was published on 13 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 5 (0 critical, 0 exploited in the wild)

## About Microsoft Defender for Endpoint

Microsoft endpoint security and detection response tool for Windows devices.

## Latest Microsoft Defender for Endpoint vulnerabilities

- [CVE-2026-102204: Microsoft Defender for Endpoint privilege escalation via symlink](https://junglewise.ai/threats/cve-2026-102204-improper-link-resolution-before-file-access-link-following-in) (high, CVSS 7.8, published 13 Oct 2026)
- [CVE-2026-54123: Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized…](https://junglewise.ai/threats/cve-2026-54123-exposure-of-sensitive-information-to-an-unauthorized-actor-in) (medium, CVSS 5.5, published 11 Aug 2026)
- [CVE-2026-50658: Microsoft Defender for Endpoint for Mac privilege escalation via TOCTOU](https://junglewise.ai/threats/cve-2026-50658-microsoft-defender-for-endpoint-for-mac-privilege-escalation-via) (high, CVSS 7, published 14 Jul 2026)
- [CVE-2026-45647: Microsoft Defender for Endpoint privilege escalation via TOCTOU race condition](https://junglewise.ai/threats/cve-2026-45647-microsoft-defender-for-endpoint-privilege-escalation-via-toctou) (medium, CVSS 5.5, published 9 Jun 2026)
- [CVE-2025-59497: Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny…](https://junglewise.ai/threats/cve-2025-59497-time-of-check-time-of-use-toctou-race-condition-in-microsoft) (high, CVSS 7, published 14 Oct 2025)

## Most severe Microsoft Defender for Endpoint vulnerabilities

- [CVE-2026-102204: Microsoft Defender for Endpoint privilege escalation via symlink](https://junglewise.ai/threats/cve-2026-102204-improper-link-resolution-before-file-access-link-following-in) (high, CVSS 7.8, published 13 Oct 2026)
- [CVE-2025-59497: Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny…](https://junglewise.ai/threats/cve-2025-59497-time-of-check-time-of-use-toctou-race-condition-in-microsoft) (high, CVSS 7, published 14 Oct 2025)
- [CVE-2026-50658: Microsoft Defender for Endpoint for Mac privilege escalation via TOCTOU](https://junglewise.ai/threats/cve-2026-50658-microsoft-defender-for-endpoint-for-mac-privilege-escalation-via) (high, CVSS 7, published 14 Jul 2026)
- [CVE-2026-54123: Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized…](https://junglewise.ai/threats/cve-2026-54123-exposure-of-sensitive-information-to-an-unauthorized-actor-in) (medium, CVSS 5.5, published 11 Aug 2026)
- [CVE-2026-45647: Microsoft Defender for Endpoint privilege escalation via TOCTOU race condition](https://junglewise.ai/threats/cve-2026-45647-microsoft-defender-for-endpoint-privilege-escalation-via-toctou) (medium, CVSS 5.5, published 9 Jun 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Microsoft technologies

- [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities
- [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities
- [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities
- [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities
- [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities
- [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities
- [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities
- [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities
- [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities
- [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities
- [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities
- [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft Defender for Endpoint vulnerabilities", https://junglewise.ai/threats/technologies/defender-for-endpoint, 13 November 2026.
