Quick answers
- Is CVE-2026-102204 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-102204 being exploited in the wild.
- How severe is CVE-2026-102204?
- High severity, with a CVSS score of 7.8, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Defender for Endpoint.
- Is there a fix for CVE-2026-102204?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-102204 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-102204?
- Check whether you run Microsoft Defender for Endpoint. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A symlink-following vulnerability in Microsoft Defender for Endpoint allows an authorized local attacker to escalate privileges by exploiting improper link resolution during file access operations. The vulnerability requires local access and existing authentication on the target system. A successful exploit grants the attacker elevated system privileges.
Affected products
- Microsoft Defender for Endpoint
Timeline
- 2026-10-13: disclosed