VDB
msrc_CVE-2026-40379
msrc_CVE-2026-40379
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Risk Scores
CVSS 3.1
9.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft Enterprise Security Token Service (ESTS) |
Exploit Intelligence
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40379 (circl)
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-40379.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)
Timeline
- May 7, 2026 CVE Published
- May 13, 2026 Security Advisory
- May 13, 2026 Security Advisory