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High 7.8Known exploited (CISA KEV)Published Jul 15, 2019
CVE-2019-0880A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Windows Server and 18 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 23, 2022; federal agencies had to remediate by Jun 13, 2022. Treat that date as your deadline.
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A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV May 23, 2022; federal remediation due Jun 13, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 2.31% (percentile 83)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Windows Server microsoft:windows_server (from the name) | 2012; 2012 (Core installation); 2012 R2; 2012 R2 (Core installation); 2016; 2016 (Core installation); version 1803 (Core Installation); 2019; and 1 more ranges | CNA record |
Microsoft Windows microsoft:windows (from the name) | 8.1 for 32-bit systems; 8.1 for x64-based systems; RT 8.1; 10 for 32-bit Systems; 10 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems; 10 Version 1703 for 32-bit Systems; and 10 more ranges | CNA record |
Microsoft Windows 10 Version 1903 for 32-bit Systems microsoft:windows_10_version_1903_for_32_bit_systems (from the name) | unspecified | CNA record |
Microsoft Windows 10 Version 1903 for x64-based Systems microsoft:windows_10_version_1903_for_x64_based_systems (from the name) | unspecified | CNA record |
Microsoft Windows 10 Version 1903 for ARM64-based Systems microsoft:windows_10_version_1903_for_arm64_based_systems (from the name) | unspecified | CNA record |
Microsoft Windows Server, version 1903 (Server Core installation) microsoft:windows_server_version_1903_server_core_installation (from the name) | unspecified | CNA record |
microsoft windows_10_1507 microsoft:windows_10_1507 | all versions; all versions | NVD |
microsoft windows_10_1607 microsoft:windows_10_1607 | all versions; all versions | NVD |
microsoft windows_10_1703 microsoft:windows_10_1703 | all versions; all versions | NVD |
microsoft windows_10_1709 microsoft:windows_10_1709 | all versions; all versions; all versions | NVD |
microsoft windows_10_1803 microsoft:windows_10_1803 | all versions; all versions; all versions | NVD |
microsoft windows_10_1809 microsoft:windows_10_1809 | all versions; all versions; all versions | NVD |
microsoft windows_10_1903 microsoft:windows_10_1903 | all versions; all versions; all versions | NVD |
microsoft windows_8.1 microsoft:windows_8.1 | all versions | NVD |
microsoft windows_rt_8.1 microsoft:windows_rt_8.1 | all versions | NVD |
microsoft windows_server_1903 microsoft:windows_server_1903 | all versions | NVD |
microsoft windows_server_2012 microsoft:windows_server_2012 | all versions; r2 | NVD |
microsoft windows_server_2016 microsoft:windows_server_2016 | all versions | NVD |
microsoft windows_server_2019 microsoft:windows_server_2019 | all versions | NVD |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0880x-refsource-misc, patch, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0880us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.