Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability
Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM.
- Vendor
- Microsoft
- Product
- Windows
- CVSS
- 7.5
- EPSS (exploit probability)
- 66.0%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Published
Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2021-11-17.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.