The Patching Friars' AlmanacA calendar of CVE saints

Feast day July 24

C Certighost CVE-2026-54121
Provisional holy card

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Saint Certighost

Hagiography in preparation at the scriptorium.

Technical record

Disclosed on
July 24 2026
CVE
CVE-2026-54121
CVSS
8.8
Product
Microsoft · Windows 10 Version 1607

Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.

Sources: gist.github.com

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