CVE-2026-26154
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Summary
Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0 < 6.2.9200.26026 | affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 < 6.2.9200.26026 | affected |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 < 6.3.9600.23132 | affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 < 6.3.9600.23132 | affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.9060 | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.9060 | affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.8644 | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.8644 | affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.5020 | affected |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 < 10.0.25398.2274 | affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.32690 | affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.32690 | affected |
Weaknesses
- CWE-20: CWE-20: Improper Input Validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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