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KB5126048

Security update fixing 2 CVEs

Support article Update Catalog CVEs in Security CVE list for a ticket
0Windows versions
2CVEs fixed · 0 critical
0Exploited or in CISA KEV
0Open known issues affecting it
—Restart required (per MSRC)

Known issues in this update

Windows release health

No known issues listed

Windows release health lists no issues from this KB or the update it builds on.

Issues this update resolves

No resolved issues listed

Windows release health names no issues fixed by this KB.

Security fixes

2 Microsoft CVEs · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-69522 .NET and Visual Studio Remote Code Execution VulnerabilityVisual Studio Important 8.80.9%Remote Code Execution Revised 25 Sep
CVE-2026-62886 .NET Elevation of Privilege Vulnerability.NET Important 7.80.5%Elevation of Privilege Revised 17 Aug
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