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CVE-2026-50294: Windows Kernel Information Disclosure Vulnerability

mediumCVSS 6.2CVE-2026-50294
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

CSIRTS triage

vendor: Microsoftproduct: WindowsInformation disclosure
What
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.
Who is affected
Unauthorized attackers on affected Windows systems.
Urgency
Remediation is important due to medium severity and potential information disclosure.
Action
Apply the latest security patch for Windows.

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 6.2
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50294

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-2026-50294coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Windows Kernel Information

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