CVE-2019-0543 (GCVE-0-2019-0543)

Vulnerability from cvelistv5 – Published: 2019-01-08 21:00 – Updated: 2026-01-12 22:05
VLAI? CISA KEV
Summary
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 53a345f5-c6f4-4bff-8d7c-506e6092cd79

Vulnerability ID: CVE-2019-0543

Status: Confirmed

Status Updated: 2022-03-15 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-03-15
Asserted: 2022-03-15
Scope
Notes: KEV entry: Microsoft Windows Privilege Escalation Vulnerability | Affected: Microsoft / Windows | Description: A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context. | Required action: Apply updates per vendor instructions. | Due date: 2022-04-05 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2019-0543
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-287
Feed CISA Known Exploited Vulnerabilities Catalog
Product Windows
Due Date 2022-04-05
Date Added 2022-03-15
Vendorproject Microsoft
Vulnerabilityname Microsoft Windows Privilege Escalation Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.