CVE-2026-119987
Microsoft Windows App Store Elevation of Privilege Vulnerability
CVE-2026-119987 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10 Version 21h2, published November 10, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.1, CVE List
- Exploit chance
- 0.28%EPSS, 20th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
- 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)
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | karollooool/CVE-2026-119987-writeup | 2026-11-12 |
What each source reports
CVE List Score used
Microsoft Windows App Store Elevation of Privilege Vulnerability
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-119987- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-426
- Updated
- 2026-11-10
EUVDEUVD-2026-122257
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-122257- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-4jv3-p83m-vp4v
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate...
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
- Record
GHSA-4jv3-p83m-vp4v- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-426
- Updated
- 2026-11-10
NVD
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-119987- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-426
- Updated
- 2026-11-10
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | PoC in GitHub | |
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.