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CVE-2019-0972

Local Security Authority Subsystem Service Denial of Service Vulnerability

MEDIUM
6.5
CVSS Score
Published: June 12, 2019 at 01:49 PM UTC
Updated: June 17, 2026 at 02:09 AM UTC
17 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
MEDIUM6.5
Exploit prediction
EPSS 6%

Description

This security update corrects a denial of service in the Local Security Authority Subsystem Service (LSASS) caused when an authenticated attacker sends a specially crafted authentication request. A remote attacker who successfully exploited this vulnerability could cause a denial of service on the target system's LSASS service, which triggers an automatic reboot of the system. The security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10· Microsoft
95%
10.0.0 ≤ v < publication160717031709180318091903
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1507· Microsoft
95%
10.0.10240.0 ≤ v < publication10.0.10240.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1607· Microsoft
95%
10.0.14393.0 ≤ v < publication10.0.14393.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 10 1809· Microsoft
95%
10.0.0 ≤ v < publication10.0.17763.0 ≤ v < publication10.0.010.0.17763.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 7· Microsoft
95%
6.1.0 ≤ v < publication6.1.0sp1
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows 8-1· Microsoft
95%
6.3.0 ≤ v < publication6.3.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Rt 8-1· Microsoft
95%
All versions
Windows Server 1803· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 1903· Microsoft
95%
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Windows Server 2008· Microsoft
95%
6.0.0 ≤ v < publication6.0.6003.0 ≤ v < publication6.1.0 ≤ v < publication6.1.7601.0 ≤ v < publication6.0.06.0.6003.06.1.06.1.7601.0r2 sp1sp2
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0972
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0972

CVSS

6.5MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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