Microsoft's September 2026 Patch Tuesday addressed a record number of security vulnerabilities, including critical flaws that could be exploited by attackers.

Microsoft's September 2026 Patch Tuesday fixes a record ~972 vulnerabilities, bringing its total flaws patched in 2026 to 2,760, more than double from 2025 (Dan Goodin/Ars Technica) https://arstechnica.com/security/2026/09/microsoft-patches-a-record-972-vulnerabilities-112-of-them-critical/ http://www.techmeme.com/260908/p50#a260908p50

#Microsoft Plugs Nearly 1,000 #Security Holes This month’s #patch bundle obliterates the software giant’s previous record set in July, when it released updates for at least 570 security #vulnerabilities. September’s #PatchTuesday brings this year’s total to more than 2,600, more than twice Microsoft’s previous record-setting patch year in 2020 (1,245) and with three more months to go. There are two “zero-day” flaws fixed this month that are being actively exploited: both CVE-2026-81963 and CVE-2026-85880 allow an attacker to elevate their privileges on #Windows system. #zeroday #exploit Fully 113 of the bugs addressed today earned Microsoft’s “critical” rating, meaning they could be abused by malware or miscreants to seize control over a vulnerable Windows machine with little or no help from the user https://krebsonsecurity.com/2026/09/microsoft-plugs-nearly-1000-security-holes/