Microsoft’s July 14 security release fixes CVE-2026-58529, an Active Directory Federation Services (AD FS) information-disclosure flaw tracked as an out-of-bounds read. The immediate action for affected Windows 11 version 26H1 devices is to install KB5101649, which raises the OS to Build...
Windows 11 version 26H1 devices running OS build 28000.0 through 28000.2524 should install KB5101649, the July 14 cumulative update that moves systems to build 28000.2525 and fixes CVE-2026-58634, a high-severity Desktop Window Manager elevation-of-privilege flaw.
Microsoft published the...