CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2026-95947 Windows Error Reporting Elevation of Privilege Vulnerability
High (7.8) in microsoft. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
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An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it.
An attacker who successfully exploited the vulnerability could gain greater access to sensitive information and system functionality. To exploit the vulnerability, an attacker could run a specially crafted application.
The security update addresses the vulnerability by correcting the way that WER handles and executes files.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 20th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-11. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-306 Missing Authentication for Critical Functionality
- OWASP Top 10
- A07:2025 Authentication Failures
- Published
- Modified
- Assigned by
- microsoft (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- microsoft:windows 10 version 1607
- microsoft:windows 10 version 1809
- microsoft:windows 10 version 21h2
- microsoft:windows 10 version 22h2
- microsoft:windows 11 version 23h2
- microsoft:windows 11 version 24h2
- microsoft:windows 11 version 25h2
- microsoft:windows 11 version 26h1
- microsoft:windows 11 version 26h2
- microsoft:windows server 2016
- microsoft:windows server 2016 (server core installation)
- microsoft:windows server 2019
- microsoft:windows server 2019 (server core installation)
- microsoft:windows server 2022
- microsoft:windows server 2025
- microsoft:windows server 2025 (server core installation)
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0 before 10.0.14393.9688 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0 before 10.0.17763.9487 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19044.0 before 10.0.19044.7846 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0 before 10.0.19045.7846 |
| Microsoft Windows 11 version 23H2 | from 10.0.22631.0 before 10.0.22631.7711 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0 before 10.0.22631.7711 |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0 before 10.0.26100.9974 |
| Microsoft Windows 11 Version 25H2 | from 10.0.26200.0 before 10.0.26200.9974 |
| Microsoft Windows 11 version 26H1 | from 10.0.28000.0 before 10.0.28000.3501 |
| Microsoft Windows 11 Version 26H2 | from 10.0.26300.0 before 10.0.26300.9974 |
| Microsoft Windows Server 2016 | from 10.0.14393.0 before 10.0.14393.9688 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0 before 10.0.14393.9688 |
| Microsoft Windows Server 2019 | from 10.0.17763.0 before 10.0.17763.9487 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0 before 10.0.17763.9487 |
| Microsoft Windows Server 2022 | from 10.0.20348.0 before 10.0.20348.5870 |
| Microsoft Windows Server 2025 | from 10.0.26100.0 before 10.0.26100.33822 |
| Microsoft Windows Server 2025 (Server Core installation) | from 10.0.26100.0 before 10.0.26100.33822 |
Attack patterns (CAPEC)
- CAPEC-12 Choosing Message Identifier Likelihood: High · Severity: High
- CAPEC-36 Using Unpublished Interfaces or Functionality Likelihood: Medium · Severity: High
- CAPEC-62 Cross Site Request Forgery Likelihood: High · Severity: Very High
- CAPEC-166 Force the System to Reset Values Severity: Medium
- CAPEC-216 Communication Channel Manipulation
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.