Microsoft Defender for Identity
CVE-2025-26685 — Microsoft Defender for Identity Spoofing Vulnerability
Executive Summary
Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.
Overview
6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Adjacent
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 5.7
EPSS Score
0.00548
probability of exploitation in the next 30 days
0.41522 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Defender for Identity | — |
Important | Spoofing | Unknown |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
— |
Unknown |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Joshua Murrell with NetSPI
References
On This Page