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Medium 6.1Published Jul 16, 2026
CVE-2026-58643Windows Admin Center Spoofing Vulnerability
Updated under an hour ago ()
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It affects Microsoft Windows Admin Center. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper neutralization of input during web page generation ('cross-site scripting') in Windows Admin Center allows an unauthorized attacker to perform spoofing over a network.
- CVSS
- 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-79
- 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
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Windows Admin Center microsoft:windows_admin_center (from the name) | 1809.0 builds before 2.6.7 | CNA record |
microsoft windows_admin_center microsoft:windows_admin_center | from 1809 before 2511 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58643vendor-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.