Tuesday 11 May 2021
May 2021: 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
May 2021: public evidence is incomplete.
The CVEs it fixes are unknown; no open known issues found in the current public evidence.
MSRC's May 2021 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 · July 2024
Mon 1 Jul
Tue 2 Jul
Wed 3 Jul
Thu 4 Jul
Fri 5 Jul
Sat 6 Jul
Sun 7 Jul
Mon 8 Jul
Tue 9 Jul
Wed 10 Jul
Thu 11 Jul
Fri 12 Jul
Sat 13 Jul
Sun 14 Jul
Mon 15 Jul
Tue 16 Jul
Wed 17 Jul
Thu 18 Jul
Fri 19 Jul
Sat 20 Jul
Sun 21 Jul
Mon 22 Jul
Tue 23 Jul
Wed 24 Jul
Thu 25 Jul
Fri 26 Jul
Sat 27 Jul
Sun 28 Jul
Mon 29 Jul
Tue 30 Jul
Wed 31 Jul
Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions