CVE-2019-0863Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability

An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

7.8 HIGHEPSS 5.20%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:09 UTC

OverviewCVSS details

7.8HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: May 16, 2019
Assigner: microsoft

Affected

Windows (Microsoft)

Versions: 7 for 32-bit Systems Service Pack 1 · 7 for x64-based Systems Service Pack 1

+5 more products →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Nov 3, 2021
KEV due date: May 3, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

5.20%chance of exploitation in 30 days

Higher than 92.54% of CVEs

CVSS 3.1 · NVD

7.8High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.2High

AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Local
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.8	HIGH	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2	HIGH	2.0NVD	AV:L/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due May 3, 2022

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Details

CVE ID: CVE-2019-0863
Status: Analyzed
Assigner (CNA): microsoft
Published: May 16, 2019
Last modified: 2026-06-17 02:09 UTC

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:20 UTC.