CVE-2026-50334 Details
Description
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
A vulnerability in the Windows Notification system allows an authorized attacker to locally disclose sensitive information. This issue could leak the address of a medium integrity process to a lower integrity caller process.
Users can download the security update for this vulnerability through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5099444, KB5099445, KB5099535, KB5101649, KB5095051, KB5099536, KB5101650, KB5099538, and KB5099540.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50334 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1607 | < 10.0.14393.9339 |
CPE
Remediation
| |
| microsoft windows 10 1809 | < 10.0.17763.9020 |
CPE
Remediation
| |
| microsoft windows 10 21h2 | < 10.0.19044.7548 |
CPE
Remediation
| |
| microsoft windows 10 22h2 | < 10.0.19045.7548 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.8875 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.8875 |
CPE
Remediation
| |
| microsoft windows 11 26h1 | < 10.0.28000.2269 < 10.0.28000.2525 |
CPE
Remediation
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| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9339 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.9020 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5386 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.33158 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 20, 2026 | Initial Analysis | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |