Microsoft · Microsoft
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 security updates
Patch Radar has 42 security fixes for Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1, closing 43 CVEs, 3 of which are being exploited. The newest security fix is KB5066739, released October 14, 2025. This product is no longer supported.
Unsupported product3 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
42
On record in Patch Radar
CVEs
43
Closed by those fixes
Exploited
3
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| High | KB5066739 | 1 | Oct 14, 2025 | ||
| High | KB5050180 | 1 | Jan 14, 2025 | ||
| High | KB5050183 | 1 | Jan 14, 2025 | ||
| High | KB5044085 | 2 | Oct 23, 2024 | ||
| High | KB5044095 | 2 | Oct 23, 2024 | ||
| High | KB5041021 | 1 | Jul 9, 2024 | ||
| High | KB5041026 | 1 | Jul 9, 2024 | ||
| Patch now | KB5034269 | 4 | 1 | May 8, 2024 | |
| Patch now | KB5034277 | 3 | 1 | May 8, 2024 | |
| High | KB5037127 | 1 | Apr 9, 2024 | ||
| Urgent | KB5030182 | 5 | Dec 12, 2023 | ||
| High | KB5032185 | 2 | Nov 14, 2023 | ||
| High | KB5032341 | 2 | Nov 14, 2023 | ||
| High | KB5029566 | 2 | Aug 8, 2023 | ||
| High | KB5029651 | 2 | Aug 8, 2023 | ||
| Urgent | KB5027531 | 6 | Jun 13, 2023 | ||
| Urgent | KB5027540 | 6 | Jun 13, 2023 | ||
| Urgent | KB5022731 | 2 | Feb 14, 2023 | ||
| Urgent | KB5022783 | 2 | Feb 14, 2023 | ||
| High | KB5021079 | 1 | Dec 13, 2022 | ||
| High | KB5021091 | 1 | Dec 13, 2022 | ||
| Routine | KB5020678 | 1 | Nov 8, 2022 | ||
| Routine | KB5020688 | 1 | Nov 8, 2022 | ||
| High | KB5012324 | 1 | Apr 19, 2022 | ||
| High | KB5012329 | 1 | Apr 19, 2022 | ||
| High | KB5009711 | 1 | Jan 11, 2022 | ||
| High | KB5009719 | 1 | Jan 11, 2022 | ||
| High | KB4602958 | 1 | Feb 9, 2021 | ||
| High | KB4603002 | 1 | Feb 9, 2021 | ||
| Patch now | KB4566466 | 1 | 1 | Oct 13, 2020 | |
| Patch now | KB4579977 | 2 | 1 | Oct 13, 2020 | |
| Routine | KB4580467 | 1 | Oct 13, 2020 | ||
| Urgent | KB4570500 | 2 | Aug 11, 2020 | ||
| Urgent | KB4570506 | 2 | Aug 11, 2020 | ||
| Urgent | KB4556399 | 3 | May 14, 2020 | ||
| Urgent | KB4556403 | 3 | May 14, 2020 | ||
| Patch now | KB4534976 | 3 | 1 | Jan 14, 2020 | |
| Patch now | KB4535102 | 3 | 1 | Jan 14, 2020 | |
| Urgent | KB4507411 | 3 | Jul 9, 2019 | ||
| Urgent | KB4507420 | 3 | Jul 9, 2019 | ||
| High | KB4498961 | 4 | May 14, 2019 | ||
| High | KB4499406 | 4 | May 14, 2019 |
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