VDB
msrc_CVE-2026-42834
msrc_CVE-2026-42834
PUBLISHED
CVSS 7.800000190734863 HIGH
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows Admin Center in Azure Portal 0.72.0.0. | ||
| Windows Admin Center in Azure Portal <0.72.0.0. |
Exploit Intelligence
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 (circl)
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-42834.json (circl)
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 (circl)
- https://support.microsoft.com/lifecycle (circl)
- https://www.first.org/cvss (circl)
- https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/extension-release-notes (circl)
Timeline
- May 12, 2026 CVE Published
- May 19, 2026 CVE Updated
- May 21, 2026 Security Advisory
- May 21, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-42834.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://www.first.org/cvss url
- https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/extension-release-notes fix