Known exploited vulnerability

CVE-2019-0880

Microsoft Windows Privilege Escalation Vulnerability

What is affected

Vendor Microsoft
Product Windows

The vulnerability

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 13 June 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 11 Nov 2026, 21:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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