Microsoft · Microsoft
Microsoft .NET Framework 3.5 on Windows Server 2012 security updates
Patch Radar has 63 security fixes for Microsoft .NET Framework 3.5 on Windows Server 2012, closing 95 CVEs, 4 of which are being exploited. The newest security fix is KB5127660, released October 13, 2026.
4 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
63
On record in Patch Radar
CVEs
95
Closed by those fixes
Exploited
4
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | KB5127660 | 17 | Oct 13, 2026 | ||
| High | KB5120716 | 3 | Aug 11, 2026 | ||
| High | KB5100984 | 11 | Jul 14, 2026 | ||
| High | KB5087048 | 2 | May 18, 2026 | ||
| Urgent | KB5082398 | 3 | Apr 14, 2026 | ||
| High | KB5066740 | 1 | Oct 14, 2025 | ||
| High | KB5044096 | 2 | Oct 23, 2024 | ||
| High | KB5041022 | 1 | Jul 9, 2024 | ||
| Patch now | KB5034278 | 4 | 1 | May 8, 2024 | |
| Urgent | KB5030183 | 5 | Dec 12, 2023 | ||
| High | KB5032342 | 2 | Nov 14, 2023 | ||
| Urgent | KB5027532 | 6 | Jun 13, 2023 | ||
| Urgent | KB5027541 | 6 | Jun 13, 2023 | ||
| Urgent | KB5022732 | 2 | Feb 14, 2023 | ||
| Urgent | KB5022784 | 2 | Feb 14, 2023 | ||
| High | KB5021080 | 1 | Dec 13, 2022 | ||
| High | KB5021092 | 1 | Dec 13, 2022 | ||
| High | KB5012325 | 1 | Apr 19, 2022 | ||
| High | KB5012330 | 1 | Apr 19, 2022 | ||
| High | KB5009712 | 1 | Jan 11, 2022 | ||
| High | KB5009720 | 1 | Jan 11, 2022 | ||
| Patch now | KB4566467 | 1 | 1 | Oct 13, 2020 | |
| Patch now | KB4579978 | 2 | 1 | Oct 13, 2020 | |
| Routine | KB4580468 | 1 | Oct 13, 2020 | ||
| Urgent | KB4570501 | 2 | Aug 11, 2020 | ||
| Urgent | KB4570507 | 2 | Aug 11, 2020 | ||
| Urgent | KB4556400 | 2 | May 14, 2020 | ||
| Urgent | KB4556404 | 2 | May 14, 2020 | ||
| Patch now | KB4534977 | 3 | 1 | Jan 14, 2020 | |
| Patch now | KB4535103 | 3 | 1 | Jan 14, 2020 | |
| High | KB4514598 | 1 | Sep 10, 2019 | ||
| High | KB4514603 | 1 | Sep 10, 2019 | ||
| Urgent | KB4507412 | 3 | Jul 9, 2019 | ||
| Urgent | KB4507421 | 3 | Jul 9, 2019 | ||
| High | KB4498962 | 4 | May 14, 2019 | ||
| High | KB4499407 | 4 | May 14, 2019 | ||
| High | KB4487079 | 2 | Feb 12, 2019 | ||
| High | KB4487122 | 2 | Feb 12, 2019 | ||
| High | KB4481482 | 1 | Jan 8, 2019 | ||
| High | KB4481483 | 1 | Jan 8, 2019 | ||
| Urgent | KB4470601 | 2 | Dec 11, 2018 | ||
| Urgent | KB4470629 | 2 | Dec 11, 2018 | ||
| Urgent | KB4457042 | 1 | Sep 12, 2018 | ||
| Urgent | KB4457053 | 1 | Sep 12, 2018 | ||
| High | KB4344150 | 2 | Aug 14, 2018 | ||
| High | KB4344175 | 2 | Aug 14, 2018 | ||
| High | KB4338421 | 2 | Jul 10, 2018 | ||
| High | KB4338610 | 2 | Jul 10, 2018 | ||
| High | KB4095512 | 2 | May 8, 2018 | ||
| High | KB4095872 | 2 | May 8, 2018 | ||
| High | KB4054175 | 2 | Jan 18, 2018 | ||
| High | KB4054997 | 2 | Jan 18, 2018 | ||
| Patch now | KB4040965 | 1 | 1 | Sep 12, 2017 | |
| Patch now | KB4040979 | 1 | 1 | Sep 12, 2017 | |
| High | KB4019110 | 1 | May 9, 2017 | ||
| High | KB4019113 | 1 | May 9, 2017 | ||
| Urgent | KB4014982 | 1 | Apr 11, 2017 | ||
| Urgent | KB4014986 | 1 | Apr 11, 2017 | ||
| High | KB3163246 | 1 | Nov 8, 2016 | ||
| High | KB3188731 | 1 | Oct 11, 2016 | ||
| High | KB3188741 | 1 | Oct 11, 2016 | ||
| High | KB3142025 | 1 | May 10, 2016 | ||
| Urgent | KB3142043 | 1 | Apr 12, 2016 |
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