CVE-2026-50419: Windows Kernel Information Disclosure Vulnerability

lowCVSS 3.3CVE-2026-50419

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

CSIRTS triage

vendor: Microsoft product: Windows Kernel Information disclosure

What: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Who is affected: Authorized users of Windows Kernel.
Urgency: Remediation is less urgent due to the low severity, but should still be addressed.
Action: Install the recommended security update.

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: low — CVSS 3.3
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50419

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.

Low exploitation riskCVE-2026-504190.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50419	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

critical[NEW] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund
lowCVE-2026-50419: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authori…nvd
unknownexploitedNCSC-2026-0231 [1.00] [M/H] Vulnerabilities fixed in Microsoft Windowsncsc-nl

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.

mediumCVE-2026-50475: Buffer over-read in Windows Kernel allows an authorized attacker to disclose information local…nvd · 2026-07-14
highCVE-2026-50463: Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information o…nvd · 2026-07-14
highCVE-2026-50429: Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information o…nvd · 2026-07-14
lowCVE-2026-50419: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authori…nvd · 2026-07-14
mediumCVE-2026-50316: Insertion of sensitive information into log file in Windows Kernel allows an authorized attack…nvd · 2026-07-14
mediumCVE-2026-50300: Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disc…nvd · 2026-07-14