Description
Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Physical
RL
O
RC
Changed
Affected products
- Microsoft / Windows Server 20126.2.9200.0 – 6.2.9200.25728
- Microsoft / Windows Server 2012 R26.3.9600.0 – 6.3.9600.22826
- Microsoft / Windows Server 2012 R2 (Server Core installation)6.3.9600.0 – 6.3.9600.22826
- Microsoft / Windows Server 2012 (Server Core installation)6.2.9200.0 – 6.2.9200.25728
- Microsoft / Windows Server 201610.0.14393.0 – 10.0.14393.8524
- Microsoft / Windows Server 2016 (Server Core installation)10.0.14393.0 – 10.0.14393.8524
- Microsoft / Windows Server 201910.0.17763.0 – 10.0.17763.7922
- Microsoft / Windows Server 2019 (Server Core installation)10.0.17763.0 – 10.0.17763.7922
- Microsoft / Windows Server 202210.0.20348.0 – 10.0.20348.4297
- Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 – 10.0.25398.1916
- Microsoft / Windows Server 202510.0.26100.0 – 10.0.26100.6905
- Microsoft / Windows Server 2025 (Server Core installation)10.0.26100.0 – 10.0.26100.6905
Exploits & PoCs
- nucleiWindows Server Update Service - Insecure Deserializationby pussycat0x,princechaddha