# CVE-2019-1132: Microsoft Win32k Privilege Escalation Vulnerability

> CVE-2019-1132: Microsoft Win32k Privilege Escalation Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2019-1132
Last updated: 2025-10-21T23:45:32Z

- Published: 2019-07-29 14:13 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: microsoft
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 9.9%, 96th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-15, federal due date 2022-04-05, ransomware use: Unknown

## 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'.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Windows
- Microsoft: Windows Server

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-1132)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2019-1132)
- [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1132](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1132)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2019-1132 · Markdown: https://rewindex.com/cve/CVE-2019-1132.md · JSON: https://rewindex.com/api/v1/cves/CVE-2019-1132 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:48:04.787Z