CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2026-119987 Microsoft Windows App Store Elevation of Privilege Vulnerability
High (7.8) in microsoft. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 21st 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 2026-11-10. 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-426 Untrusted Search Path
- OWASP Top 10
- A08:2025 Software or Data Integrity 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 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 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 21H2 | from 10.0.19044.0 before 10.0.19044.7807 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0 before 10.0.19045.7807 |
| Microsoft Windows 11 version 23H2 | from 10.0.22631.0 before 10.0.22631.7652 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0 before 10.0.22631.7652 |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0 before 10.0.26100.9711 |
| Microsoft Windows 11 Version 25H2 | from 10.0.26200.0 before 10.0.26200.9711 |
| Microsoft Windows 11 version 26H1 | from 10.0.28000.0 before 10.0.28000.3231 |
| Microsoft Windows 11 Version 26H2 | from 10.0.26300.0 before 10.0.26300.9711 |
| Microsoft Windows Server 2022 | from 10.0.20348.0 before 10.0.20348.5761 |
| Microsoft Windows Server 2025 | from 10.0.26100.0 before 10.0.26100.33650 |
| Microsoft Windows Server 2025 (Server Core installation) | from 10.0.26100.0 before 10.0.26100.33650 |
GitHub PoC (unverified)
Repositories on GitHub named after this CVE. Nobody has checked them and they are not scanned: some hold a working proof of concept, some nothing useful, and some malware made to look like one. Read the code before you run any of it.
- karollooool/CVE-2026-119987-writeup 5 stars, created
CVE-2026-119987: Windows App Store Elevation of Privilege
Attack patterns (CAPEC)
- CAPEC-38 Leveraging/Manipulating Configuration File Search Paths Likelihood: High · Severity: Very High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.