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13 January 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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Critical 9.8

CVE-2026-20963 Exploited EPSS 29%

Microsoft SharePoint Remote Code Execution Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Microsoft Microsoft SharePoint Server 2019 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server Subscription Edition

Jan 13, 2026
KEV Mar 18, 2026
Medium 5.5

CVE-2026-20805 Exploited Public exploit

Desktop Window Manager Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Jan 13, 2026
KEV Jan 13, 2026
High 7.4

CVE-2025-25249 Exploited

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiO…

Fortinet FortiOS FortiSwitchManager Network devices

Jan 13, 2026
KEV Sep 9, 2026