CVE-2019-1132

Microsoft Win32k Privilege Escalation Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 15 Mar 2022

Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.

Key facts

Published
29 Jul 2019
Last changed
21 Oct 2025
Assigned by
microsoft
KEV added
15 Mar 2022
KEV fix due
5 Apr 2022
EPSS
9.867% likely to be exploited in the next 30 days, higher than 95.644% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftWindows
  • 7 for 32-bit Systems Service Pack 1 (affected)
  • 7 for x64-based Systems Service Pack 1 (affected)
MicrosoftWindows Server
  • 2008 R2 for x64-based Systems Service Pack 1 (Core installation) (affected)
  • 2008 R2 for Itanium-Based Systems Service Pack 1 (affected)
  • 2008 R2 for x64-based Systems Service Pack 1 (affected)
  • 2008 for 32-bit Systems Service Pack 2 (Core installation) (affected)
  • 2008 for Itanium-Based Systems Service Pack 2 (affected)
  • 2008 for 32-bit Systems Service Pack 2 (affected)
  • 2008 for x64-based Systems Service Pack 2 (affected)
  • 2008 for x64-based Systems Service Pack 2 (Core installation) (affected)

Timeline

  1. 29 Jul 2019 Published
  2. 15 Mar 2022 CVE-2019-1132 added to CISA KEV
  3. 15 Mar 2022 Added to the CISA KEV catalogue

References