# CVE-2019-0880: Microsoft Windows Privilege Escalation Vulnerability

Source: https://junglewise.ai/threats/cve-2019-0880-microsoft-windows-privilege-escalation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-23. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-0880 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-05-23

A local elevation of privilege vulnerability exists in the Microsoft Windows splwow64.exe executable due to improper handling of certain calls. An attacker who successfully exploits this vulnerability could elevate their privileges from low-integrity to medium-integrity on an affected system.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2019-0880 exploited in the wild?** Yes. CVE-2019-0880 is known to be exploited in the wild, first recorded on 23 May 2022. Treat it as urgent.

**How severe is CVE-2019-0880?** Critical severity, with a CVSS score of 7.8, published 23 May 2022.

**Which products and versions are affected?** Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903; Microsoft Windows 8.1; Microsoft Windows RT 8.1; Microsoft Windows Server 2012 R2; and 2 more.

**Is there a fix for CVE-2019-0880?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2019-0880 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2019-0880?** Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903
- Microsoft Windows 8.1
- Microsoft Windows RT 8.1
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2016 1803, 1903
- Microsoft Windows Server 2019

## Timeline

- 2019-07-16: disclosed: Initial analysis by NIST and CVSS scoring.
- 2022-05-23: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.
- 2022-05-23: exploited: Reported as exploited in the wild.

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