Beat
Patch Tuesday
The monthly Microsoft drop, plus post-mortems on the KBs that wrecked someone's Wednesday.
The Patch Tuesday Desk.
Lead story
Patch Tuesday Edition · May 13, 2026 · PatchDay Alert
Patch Tuesday May 2026: DNS and Netlogon RCEs hit 9.8, Hyper-V guest escape, plus 2 Dynamics 9.9s
Patch Tuesday May 2026: DNS + Netlogon at 9.8, 19 more
More from this beat
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Analysis · May 11, 2026 · The Patch Tuesday Desk
The June 2026 Secure Boot cliff: tomorrow is your last clean window
Three Microsoft Secure Boot certificates from 2011 expire in June.
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Analysis · May 9, 2026 · The Patch Tuesday Desk
Skip the optional preview: KB5083631 isn't worth your Tuesday morning
May 12 ships the same 34 fixes plus the month's security patches in one tested package.
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Analysis · May 8, 2026 · The Field Notes Desk
The researcher who reported two Windows bugs to Microsoft was exploiting a third
CVE-2025-26633 turns MMC's localization feature into a code execution vector.
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Analysis · May 6, 2026 · The Field Notes Desk
Six zero-days in three years: the CLFS pattern Microsoft can't outrun
Microsoft patched a CLFS zero-day on April 8 but left Windows 10 without a fix for five weeks.
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Analysis · May 1, 2026 · The Field Notes Desk
A 4.3 that mattered: the 13-day gap between patch and exploitation flag
Microsoft patched CVE-2026-32202 on April 14 without marking it exploited.
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Analysis · Apr 29, 2026 · The Patch Tuesday Desk
Microsoft April 2026 Patch Tuesday: the CVE count is the wrong unit
Roughly 160+ CVEs landed in April.