Findings

Vulnerability · CVE-2019-0880

Microsoft Windows Privilege Escalation Vulnerability

Published Jul 9, 2019 · corrected/updated Jun 16, 2026 · Microsoft Windows · evidence confidence very high

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.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2019-0880 is a high public vulnerability record for Microsoft Windows. CISA lists it as known exploited. Published remediation guidance: Apply updates per vendor instructions. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Microsoft Windows is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: microsoft/windows 10 1507; microsoft/windows 10 1607; microsoft/windows 10 1703; microsoft/windows 10 1709. Published remediation guidance: Apply updates per vendor instructions. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.8, EPSS 2.3%. CISA lists it as known exploited. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Jul 9, 2019. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply updates per vendor instructions. CISA due date Jun 13, 2022.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 15, 2019 · Catalog

    Detected

    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.

  2. May 23, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 13, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2019-0880

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-0880

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-0880

    30-day exploitation probability 2.3%

    first.org
  • NIST NVDVulnerability recordCVE-2019-0880

    A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2019-0880

    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.

    vulncheck.com

References