Microsoft January 2026 Patch Tuesday Addresses 113 Vulnerabilities
Article Content
Browse articles 
In January 2026, Microsoft released its largest Patch Tuesday update in four years, addressing 113 vulnerabilities across Windows, Office, and other products. Among these was a critical zero-day vulnerability, CVE-2026-20805, which was actively exploited at the time of the release.
Ask AI about this cluster
Answers cite the sources they use
Updated 218d ago How this analysis works
More articles in this cluster (2)
Following this threat?
Track CVE-2026-20805 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical Zero-Day Exploited in BeyondTrust Remote Support by China-linked Group A critical vulnerability in BeyondTrust Remote Support, tracked as CVE-2026-102764 with a CVSS score of 9.3, has been exploited by the China-linked espionage group Armory Castle since August 29, 2026. This flaw allows unauthenticated remote attackers to perform file operations, gaining root control and access to… 
CISA Warns of Exploited Vulnerabilities in ProFTPD, ONLYOFFICE, Strapi, and More The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added five vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including critical flaws in ProFTPD, ONLYOFFICE Docs, Strapi, Apache Struts, and ISC BIND. These vulnerabilities are being by Chinese actors for cyber espionage, targeting…