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CVE-2026-50334: Windows Push Notification Information Disclosure Vulnerability

mediumCVSS 5.5CVE-2026-50334
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.

CSIRTS triage

vendor: Microsoftproduct: Windows Push NotificationInformation disclosure
What
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
Who is affected
Authorized users of Windows Push Notification.
Urgency
Remediation is medium urgency due to the potential for information disclosure.
Action
Monitor for unauthorized access and apply patches when available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50334

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50334coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows Push Notification

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center