Microsoft · Microsoft
Windows 8.1 for 32-bit systems security updates
Patch Radar has 198 security fixes for Windows 8.1 for 32-bit systems, closing 1,927 CVEs, 82 of which are being exploited. The newest security fix is KB3187754, released November 18, 2024. This product is no longer supported.
Unsupported product82 exploited CVEs
Latest version
n/a
Release date not known
Security fixes
198
On record in Patch Radar
CVEs
1,927
Closed by those fixes
Exploited
82
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | KB3187754 | 1 | Nov 18, 2024 | ||
| Patch now | KB5022346 | 49 | 1 | Jan 10, 2023 | |
| Patch now | KB5022352 | 49 | 1 | Jan 10, 2023 | |
| Urgent | KB5021294 | 20 | Dec 13, 2022 | ||
| Urgent | KB5021296 | 20 | Dec 13, 2022 | ||
| Patch now | KB5020010 | 24 | 3 | Nov 8, 2022 | |
| Patch now | KB5020023 | 24 | 3 | Nov 8, 2022 | |
| Patch now | KB5019958 | 3 | 2 | Nov 8, 2022 | |
| Patch now | KB5018474 | 49 | 2 | Oct 11, 2022 | |
| Patch now | KB5018476 | 49 | 2 | Oct 11, 2022 | |
| Patch now | KB5017365 | 38 | 1 | Sep 13, 2022 | |
| Patch now | KB5017367 | 38 | 1 | Sep 13, 2022 | |
| Patch now | KB5016681 | 38 | 1 | Aug 9, 2022 | |
| Patch now | KB5016683 | 38 | 1 | Aug 9, 2022 | |
| Urgent | KB5012170 | 4 | Aug 9, 2022 | ||
| Patch now | KB5015874 | 37 | 1 | Jul 12, 2022 | |
| Patch now | KB5015877 | 37 | 1 | Jul 12, 2022 | |
| Patch now | KB5014738 | 26 | 1 | Jun 14, 2022 | |
| Patch now | KB5014746 | 26 | 1 | Jun 14, 2022 | |
| Patch now | KB5014001 | 45 | 2 | May 10, 2022 | |
| Patch now | KB5014011 | 45 | 2 | May 10, 2022 | |
| Patch now | KB5012639 | 65 | 2 | Apr 12, 2022 | |
| Patch now | KB5012670 | 65 | 2 | Apr 12, 2022 | |
| Urgent | KB5011560 | 23 | Mar 8, 2022 | ||
| Urgent | KB5011564 | 23 | Mar 8, 2022 | ||
| Urgent | KB5011486 | 1 | Mar 8, 2022 | ||
| Patch now | KB5010395 | 14 | 2 | Feb 8, 2022 | |
| Patch now | KB5010419 | 14 | 2 | Feb 8, 2022 | |
| Patch now | KB5009595 | 51 | 1 | Jan 11, 2022 | |
| Patch now | KB5009624 | 51 | 1 | Jan 11, 2022 | |
| Patch now | KB5008263 | 20 | 1 | Dec 14, 2021 | |
| Patch now | KB5008285 | 20 | 1 | Dec 14, 2021 | |
| Patch now | KB5007247 | 17 | 3 | Nov 9, 2021 | |
| Patch now | KB5007255 | 17 | 3 | Nov 9, 2021 | |
| Patch now | KB5006714 | 28 | 1 | Oct 12, 2021 | |
| Patch now | KB5006729 | 27 | 1 | Oct 12, 2021 | |
| Routine | KB5006671 | 1 | Oct 12, 2021 | ||
| Patch now | KB5005613 | 26 | 2 | Sep 14, 2021 | |
| Patch now | KB5005627 | 26 | 2 | Sep 14, 2021 | |
| Patch now | KB5005076 | 19 | 2 | Aug 10, 2021 | |
| Patch now | KB5005106 | 18 | 2 | Aug 10, 2021 | |
| Urgent | KB5005036 | 1 | Aug 10, 2021 | ||
| Patch now | KB5004298 | 49 | 3 | Jul 13, 2021 | |
| Patch now | KB5005563 | 5 | 2 | Jul 13, 2021 | |
| Patch now | KB5004285 | 45 | 2 | Jul 13, 2021 | |
| Patch now | KB5003671 | 18 | 5 | Jun 8, 2021 | |
| Patch now | KB5003681 | 15 | 4 | Jun 8, 2021 | |
| Patch now | KB5003636 | 3 | 1 | Jun 8, 2021 | |
| Urgent | KB5003209 | 13 | May 11, 2021 | ||
| Urgent | KB5003220 | 12 | May 11, 2021 | ||
| Urgent | KB5001382 | 55 | Apr 13, 2021 | ||
| Urgent | KB5001393 | 55 | Apr 13, 2021 | ||
| Patch now | KB5000848 | 28 | 1 | Mar 9, 2021 | |
| Urgent | KB5000853 | 27 | Mar 9, 2021 | ||
| Patch now | KB4601349 | 17 | 1 | Feb 9, 2021 | |
| Patch now | KB4601384 | 17 | 1 | Feb 9, 2021 | |
| Urgent | KB4598275 | 42 | Jan 12, 2021 | ||
| Urgent | KB4598285 | 42 | Jan 12, 2021 | ||
| Urgent | KB4592484 | 5 | Dec 8, 2020 | ||
| Urgent | KB4592495 | 5 | Dec 8, 2020 | ||
| Patch now | KB4586845 | 34 | 1 | Nov 10, 2020 | |
| Patch now | KB4586823 | 33 | 1 | Nov 10, 2020 | |
| Urgent | KB4580347 | 20 | Oct 13, 2020 | ||
| Urgent | KB4580358 | 20 | Oct 13, 2020 | ||
| Patch now | KB4577066 | 49 | 1 | Sep 8, 2020 | |
| Urgent | KB4577071 | 47 | Sep 8, 2020 | ||
| Patch now | KB4571703 | 58 | 2 | Aug 11, 2020 | |
| Patch now | KB4571723 | 55 | 1 | Aug 11, 2020 | |
| High | KB4578013 | 2 | Aug 11, 2020 | ||
| Patch now | KB4565541 | 43 | 1 | Jul 14, 2020 | |
| Patch now | KB4565540 | 41 | 1 | Jul 14, 2020 | |
| High | KB4566425 | 1 | Jul 14, 2020 | ||
| Patch now | KB4561666 | 46 | 1 | Jun 9, 2020 | |
| Patch now | KB4561673 | 37 | 1 | Jun 9, 2020 | |
| Patch now | KB4556846 | 37 | 1 | May 12, 2020 | |
| Patch now | KB4556853 | 30 | 1 | May 12, 2020 | |
| Patch now | KB4550961 | 43 | 4 | Apr 14, 2020 | |
| Patch now | KB4550970 | 39 | 3 | Apr 14, 2020 | |
| Patch now | KB4541509 | 60 | 1 | Mar 10, 2020 | |
| Patch now | KB4541505 | 54 | 1 | Mar 10, 2020 | |
| Patch now | KB4537821 | 54 | 2 | Feb 11, 2020 | |
| Patch now | KB4537803 | 51 | 1 | Feb 11, 2020 | |
| Urgent | KB4534297 | 27 | Jan 14, 2020 | ||
| Urgent | KB4534309 | 26 | Jan 14, 2020 | ||
| Patch now | KB4530702 | 11 | 1 | Dec 10, 2019 | |
| Patch now | KB4530730 | 10 | 1 | Dec 10, 2019 | |
| Patch now | KB4525243 | 39 | 3 | Nov 12, 2019 | |
| Patch now | KB4525250 | 37 | 2 | Nov 12, 2019 | |
| Patch now | KB4520005 | 27 | 2 | Oct 8, 2019 | |
| Patch now | KB4519990 | 21 | 1 | Oct 8, 2019 | |
| Patch now | KB4516067 | 37 | 2 | Sep 10, 2019 | |
| Patch now | KB4516064 | 33 | 2 | Sep 10, 2019 | |
| Urgent | KB4512488 | 41 | Aug 13, 2019 | ||
| Urgent | KB4512489 | 38 | Aug 13, 2019 | ||
| Patch now | KB4507448 | 30 | 2 | Jul 9, 2019 | |
| Patch now | KB4507457 | 24 | 2 | Jul 9, 2019 | |
| Urgent | KB4503276 | 41 | Jun 11, 2019 | ||
| Urgent | KB4503290 | 34 | Jun 11, 2019 | ||
| Patch now | KB4499151 | 30 | 2 | May 14, 2019 | |
| Patch now | KB4499165 | 24 | 2 | May 14, 2019 |
Showing the newest 100 of 198 fixes.
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