Tuesday 11 August 2026
August 2026: 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.
Superseded
Newer updates replace August 2026.
The CVEs it fixes are unknown; no open known issues found in the current public evidence. See November 2026 Patch Tuesday.
MSRC's August 2026 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 · June 2028
Thu 1 Jun
Fri 2 Jun
Sat 3 Jun
Sun 4 Jun
Mon 5 Jun
Tue 6 Jun
Wed 7 Jun
Thu 8 Jun
Fri 9 Jun
Sat 10 Jun
Sun 11 Jun
Mon 12 Jun
Tue 13 Jun
Wed 14 Jun
Thu 15 Jun
Fri 16 Jun
Sat 17 Jun
Sun 18 Jun
Mon 19 Jun
Tue 20 Jun
Wed 21 Jun
Thu 22 Jun
Fri 23 Jun
Sat 24 Jun
Sun 25 Jun
Mon 26 Jun
Tue 27 Jun
Wed 28 Jun
Thu 29 Jun
Fri 30 Jun
Patch Tuesday and security (B) releasesPreview (D) releasesOut-of-band releases.NET Framework servicing packagesEdge, Office, Teams, Defender and server releasesAll product versions