7.5
High
CVE-2026-85321 Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an…
Description
Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.9376 | 10.0.17763.9376 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.9376 | 10.0.17763.9376 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5761 | 10.0.20348.5761 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.33650 | 10.0.26100.33650 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.33650 | 10.0.26100.33650 |
Other CVEs of Windows Server 2012 R2
The 4103 CVEs of Windows Server 2012 R2 →
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108131
No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform…
7.5
High
CVE-2026-108129
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium
CVE-2026-97841
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium