Skip to content
OpenAdvisories
High MSRC-CVE-2026-50324 1 CVE

Windows Active Directory Federation Services Denial of Service Vulnerability

Published Jul 14, 2026 · Updated Jul 21, 2026 · Revision 4

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.

Security updates
10.0.17763.9020 — https://support.microsoft.com/help/5099538
10.0.20348.5386 — https://support.microsoft.com/help/5099540
10.0.26100.33158 — https://support.microsoft.com/help/5099536
10.0.14393.9339 — https://support.microsoft.com/help/5099535
6.3.9600.23291 — https://support.microsoft.com/help/5099444
4.8.9340.0 — https://support.microsoft.com/help/5101002
4.8.4803.0 — https://support.microsoft.com/help/5101007
4.8.4803.0 — https://support.microsoft.com/help/5101009
4.8.4803.0 — https://support.microsoft.com/help/5101011
2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 — https://support.microsoft.com/help/5101008
2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0 — https://support.microsoft.com/help/5101010
2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0 — https://support.microsoft.com/help/5101006
2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 — https://support.microsoft.com/help/5100989
4.7.4143.0 — https://support.microsoft.com/help/5100990
4.7.4143.0 — https://support.microsoft.com/help/5100991
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 — https://support.microsoft.com/help/5101005
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 — https://support.microsoft.com/help/5101000
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0 — https://support.microsoft.com/help/5100998
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 — https://support.microsoft.com/help/5101004
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 — https://support.microsoft.com/help/5101001

Vulnerabilities 1

Revision history

  1. #4

    Updated product information in the Software Update table. This is an informational change only.

  2. #3

    Updated product information in the Software Update table. This is an informational change only.

  3. #2

    Updated product information in the Software Update table. This is an informational change only.

  4. #1

    Information published.

References