Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2019-0863
Microsoft Windows
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H H H 7.8 .0521 92.3 YES
AFFECTED
Product Versions Fixed
Windows 7 for 32-bit Systems Service Pack 1 – —
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Core installation) – —
Windows 10 Version 1903 for 32-bit Systems unspecified – —
Windows 10 Version 1903 for x64-based Systems unspecified – —
Windows 10 Version 1903 for ARM64-based Systems unspecified – —
Windows Server, version 1903 (Server Core installation) unspecified – —
TIMELINE
Nov 26 Reserved by microsoft
May 16 Published (CNA: microsoft)
Nov 3 Added to CISA KEV, remediation due 2022-05-03
Description
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| November 26, 2018 | Reserved | Reserved by microsoft |
| May 16, 2019 | Published | Published (CNA: microsoft) |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
Affected
Affected products and packages — 6 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Windows | — | 7 for 32-bit Systems Service Pack 1 | — |
| Microsoft | Windows Server | — | 2008 R2 for x64-based Systems Service Pack 1 (Core installation) | — |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | — | unspecified | — |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | — | unspecified | — |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | — | unspecified | — |
| Microsoft | Windows Server, version 1903 (Server Core installation) | — | unspecified | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-0863 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
