Tuesday 13 October 2020
October 2020: is it safe to deploy?
What Microsoft fixed, how urgent it is, and whether anything broke, per Windows version, from Microsoft's release tables, release health, MSRC, CISA, and what the community reports.
Evidence incomplete
October 2020: public evidence is incomplete.
The CVEs it fixes are unknown; no open known issues found in the current public evidence.
MSRC's October 2020 security update document isn't collected.
ChangeIntel's reading of public signals, not advice; check Microsoft's guidance and test before you deploy. Terms
- Microsoft CVEs
- Unknown
- Exploited fixed
- Unknown
- In CISA KEV
- Unknown
- Open known issues
- 0
- Out-of-band
- 0
Release calendar · November 2026
Sun 1 Nov
Mon 2 Nov
Tue 3 Nov
Wed 4 Nov
Fri 6 Nov
Sat 7 Nov
Sun 8 Nov
Mon 9 Nov
Tue 10 Nov
- Patch Tuesday
- KB5131291 · Win 10 1607, Server 2016
- KB5131085 · Win 10 1809, Server 2019
+14 more
- KB5131096 · Win 10 21H2, Win 10 22H2
- KB5131087 · Win 11 23H2
- KB5132061 · Win 11 24H2, Win 11 25H2
- KB5132059 · Win 11 26H1
- KB5131090 · Server 2022
- KB5131080 · Server 2025
- Microsoft Edge 2 releases
- Exchange Server SE 15.2.2562.57
- SharePoint Server Subscription Edition 16.0.20326.20278
- SQL Server 2025 2 releases
- SQL Server 2022 2 releases
- SQL Server 2019 2 releases
- SQL Server 2017 2 releases
- Microsoft 365 Apps 10 releases
Wed 11 Nov
Thu 12 Nov
Fri 13 Nov
Sat 14 Nov
Sun 15 Nov
Mon 16 Nov
Tue 17 Nov
Wed 18 Nov
Thu 19 Nov
Fri 20 Nov
Sat 21 Nov
Sun 22 Nov
Mon 23 Nov
Tue 24 Nov
Wed 25 Nov
Thu 26 Nov
Fri 27 Nov
Sat 28 Nov
Sun 29 Nov
Mon 30 Nov
Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions