Back to CVE records
High 8.1Published Jun 9, 2026
CVE-2026-42987Windows Deployment Services (WDS) Remote Code Execution
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Windows Server 2012 and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
- CVSS
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Windows Server 2012 microsoft:windows_server_2012 (from the name) | from 6.2.9200.0 before 6.2.9200.26132 | CNA record |
Microsoft Windows Server 2012 R2 microsoft:windows_server_2012_r2 (from the name) | from 6.3.9600.0 before 6.3.9600.23228 | CNA record |
Microsoft Windows Server 2016 microsoft:windows_server_2016 (from the name) | from 10.0.14393.0 before 10.0.14393.9234 | CNA record |
Microsoft Windows Server 2019 microsoft:windows_server_2019 (from the name) | from 10.0.17763.0 before 10.0.17763.8880 | CNA record |
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name) | from 10.0.20348.0 before 10.0.20348.5256 | CNA record |
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name) | from 10.0.26100.0 before 10.0.26100.32995 | CNA record |
microsoft windows_server_2012 microsoft:windows_server_2012 | all versions; r2 | NVD |
microsoft windows_server_2016 microsoft:windows_server_2016 | before 10.0.14393.9234 | NVD |
microsoft windows_server_2019 microsoft:windows_server_2019 | before 10.0.17763.8880 | NVD |
microsoft windows_server_2022 microsoft:windows_server_2022 | before 10.0.20348.5256 | NVD |
microsoft windows_server_2025 microsoft:windows_server_2025 | before 10.0.26100.32995 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42987vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.