Tuesday 9 May 2023

May 2023: 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.

← Apr 2023 Jun 2023 →

Evidence incomplete

May 2023: public evidence is incomplete.

The CVEs it fixes are unknown; no open known issues found in the current public evidence.

MSRC's May 2023 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

What to deploy, per Windows version

Mark each version deployed or not for you

All 11 versions:Urgency: UnknownMSRC's May 2023 document isn't collected, so the CVEs it fixes are unknownNo known issues linked to this update were identified in the collected Windows release health data

Windows version	Verdict	Update	Risk	Why
Win 11 22H2	Superseded	KB5026372 B 9 May	Moderate	Superseded by KB5066793 (security update, 14 Oct), which includes its fixes +1 more
Win 11 21H2	Superseded	KB5026368 B 9 May	Low	Superseded by KB5044280 (security update, 8 Oct), which includes its fixes +1 more
Win 10 22H2	Superseded	KB5026361 B 9 May	Moderate	Superseded by KB5131096 (security update, 10 Nov), which includes its fixes +1 more
Win 10 21H2	Superseded	KB5026361 B 9 May	Moderate	Superseded by KB5131096 (security update, 10 Nov), which includes its fixes +1 more
Win 10 20H2	Evidence incomplete	KB5026361 B 9 May	Low	Released 1283 days ago
Win 10 1809	Superseded	KB5026362 B 9 May	Moderate	Superseded by KB5131085 (security update, 10 Nov), which includes its fixes +1 more
Win 10 1607	Superseded	KB5026363 B 9 May	Moderate	Superseded by KB5131291 (security update, 10 Nov), which includes its fixes +1 more
Win 10 1507 (RTM)	Superseded	KB5026382 B 9 May	Moderate	Superseded by KB5065430 (security update, 9 Sep), which includes its fixes +1 more
Server 2022	Superseded	KB5026370 B 9 May	Moderate	Superseded by KB5131090 (security update, 10 Nov), which includes its fixes +1 more
Server 2019	Superseded	KB5026362 B 9 May	Moderate	Superseded by KB5131085 (security update, 10 Nov), which includes its fixes +1 more
Server 2016	Superseded	KB5026363 B 9 May	Moderate	Superseded by KB5131291 (security update, 10 Nov), which includes its fixes +1 more

Verdicts read public signals for each update: fixed CVEs and their exploitation, known issues, and out-of-band follow-ups. Open an update for every reason and its builds.