Patch tracker / Products / Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1

Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1: vulnerabilities and security updates

Every CVE affecting Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.

CVEs
41
Updates (KBs)
4
Actively exploited (KEV)
0
Critical Severity
0

CVEs affecting Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1

CVESeverityCVSSEPSSStatus
CVE-2026-47304High8.171%-
CVE-2026-50646High7.871%-
CVE-2026-50649High7.871%-
CVE-2026-50650High7.871%-
CVE-2026-47302High7.571%-
CVE-2026-50304High7.571%-
CVE-2026-50355High7.571%-
CVE-2026-50368High7.571%-
CVE-2026-50411High7.571%-
CVE-2026-50525High7.571%-
CVE-2026-50527High7.571%-
CVE-2026-50647High7.571%-
CVE-2026-50648High7.571%-
CVE-2026-50652High7.571%-
CVE-2026-50653High7.571%-
CVE-2026-50659Medium6.571%-
CVE-2026-50324Medium5.971%-
CVE-2026-102869High8.89.8%-
CVE-2026-108398High8.89.8%-
CVE-2026-70007High8.89.8%-
CVE-2026-70035High8.89.8%-
CVE-2026-70174High8.89.8%-
CVE-2026-83520High8.89.8%-
CVE-2026-85363High8.89.8%-
CVE-2026-96224High8.89.8%-
CVE-2026-62886High7.89.8%-
CVE-2026-58280High7.59.8%-
CVE-2026-69651High7.59.8%-
CVE-2026-84008High7.59.8%-
CVE-2026-96233High7.59.8%-
CVE-2026-96958High7.59.8%-
CVE-2026-96959High7.59.8%-
CVE-2026-96960High7.59.8%-
CVE-2026-97788High7.59.8%-
CVE-2026-97801High7.59.8%-
CVE-2026-96222High7.49.8%-
CVE-2026-69522High8.82.8%-
CVE-2026-62872High8.81.2%-
CVE-2026-70354High7.81.2%-
CVE-2026-65810High7.81.2%-
CVE-2026-62897High7.01.2%-

Updates (KBs) for Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1

UpdateReleasedSeverityCVSSEPSSCVEsStatus
KB51276912026-10-13High8.81.4%18-
KB51010022026-07-14High8.14.0%17-
KB51260532026-08-11High8.80.8%2-
KB51207112026-08-11High8.80.8%4-

Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.

Most searched on Senserva right now

KB5122876 install notes and severity KB5126052: the full CVE list KB5129238: the full CVE list KB5126651 download and what it fixes KB5122882: the full CVE list KB5129235: the full CVE list KB5126655: patch details KB5126657 install notes and severity KB5123099 install notes and severity KB5122871 install notes and severity
New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
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