Microsoft's January 2026 Security Blitz: 114 Patches, Zero Days, and AI Marketplace Explosion
17 January 2026

Microsoft's January 2026 Security Blitz: 114 Patches, Zero Days, and AI Marketplace Explosion

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Microsoft just unleashed its massive January 2026 Patch Tuesday bombshell, fixing 114 Windows vulnerabilities including three zero-days, with one actively exploited Desktop Window Manager flaw that CISA rushed to its known exploited list, as reported by The Hacker News and BleepingComputer. This security blitz on January 13 patched eight critical bugs like remote code execution in Office and SharePoint, plus 57 privilege escalations, marking the third-biggest January update ever according to Fortra data via Krebs on Security. No execs popped up in public, but the tech world buzzed over these fixes amid whispers of hackers circling.

On the business front, Microsoft Marketplace exploded with fresh offers, dropping 64 new AI apps and cloud solutions on January 14 like A1 Technologies Copilot workshops and Advania Azure cost controls, then 399 more by January 15 including Everfox cyber tools and ReconAI document smarts, straight from Microsoft Tech Community blogs. AlfaPeople highlighted sizzling Business Applications updates for Dynamics 365 Finance and Sales, Power Platform perks like Vibe Code in Power Apps, and Copilot Studio's multi-agent AI magic, all primed for digital makeovers.

Defender XDR got juicy monthly news on January 13 via Microsoft Tech Community, rolling out public preview triage collections for endpoint threats and new ADWS LDAP tracking in Identity for sharper hunts. Office snagged security patches too, per Microsoft Support, while .NET Framework servicing updates landed quietly on DevBlogs. Advertising pros noted Performance Max tweaks in Microsoft Ads blog, but the real tea is Marketplace's AI agent frenzy signaling Microsoft's cloud dominance push. No big social splashes or CEO sightings, just steady empire-building amid patch drama—watch for long-term fallout on Windows trust. Word count: 378

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This content was created in partnership and with the help of Artificial Intelligence AI