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	<title>Sicherheitsupdate - Grams IT - Blog</title>
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		<title>2026-01 Patchday</title>
		<link>https://blog.grams-it.com/2026/01/14/2026-01-patchday/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=2026-01-patchday</link>
		
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		<pubDate>Wed, 14 Jan 2026 06:34:03 +0000</pubDate>
				<category><![CDATA[Betriebssystem]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[IT-Sicherheit]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Microsoft Windows]]></category>
		<category><![CDATA[Microsoft Windows 11]]></category>
		<category><![CDATA[Microsoft Windows Server 2019]]></category>
		<category><![CDATA[Microsoft Windows Server 2025]]></category>
		<category><![CDATA[Patch]]></category>
		<category><![CDATA[Patchday]]></category>
		<category><![CDATA[Sicherheit]]></category>
		<category><![CDATA[Sicherheitslücke]]></category>
		<category><![CDATA[CVE-2023-31096]]></category>
		<category><![CDATA[CVE-2026-20805]]></category>
		<category><![CDATA[CVE-2026-20952]]></category>
		<category><![CDATA[CVE-2026-20953]]></category>
		<category><![CDATA[CVE-2026-21265]]></category>
		<category><![CDATA[Cyber Security]]></category>
		<category><![CDATA[DWM]]></category>
		<category><![CDATA[Elevation of Privilege]]></category>
		<category><![CDATA[Januar 2026]]></category>
		<category><![CDATA[KB5073455]]></category>
		<category><![CDATA[KB5073724]]></category>
		<category><![CDATA[KB5074109]]></category>
		<category><![CDATA[Microsoft Office]]></category>
		<category><![CDATA[Remote Code Execution]]></category>
		<category><![CDATA[Schwachstelle]]></category>
		<category><![CDATA[Secure Boot]]></category>
		<category><![CDATA[Sicherheitsupdate]]></category>
		<category><![CDATA[Windows 10 ESU]]></category>
		<category><![CDATA[Windows 11]]></category>
		<category><![CDATA[Zero-Day]]></category>
		<guid isPermaLink="false">https://blog.grams-it.com/?p=847</guid>

					<description><![CDATA[<p><img width="400" height="400" src="https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update.png" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Windows Update" decoding="async" fetchpriority="high" srcset="https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update.png 400w, https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update-300x300.png 300w, https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update-150x150.png 150w" sizes="(max-width: 400px) 100vw, 400px" /></p><p>Microsoft startet das Jahr 2026 mit einem massiven Sicherheitspaket. Am ersten Patchday des Jahres, dem 13. Januar 2026, wurden insgesamt 114 Sicherheitslücken geschlossen. Besonders besorgniserregend sind dabei drei Zero-Day-Schwachstellen, von denen eine bereits aktiv für gezielte Angriffe ausgenutzt wird. Hier ist die detaillierte Analyse der wichtigsten Sicherheitsupdates für IT-Administratoren und Sicherheitsexperten. Die Highlights im Überblick [&#8230;]</p>
<p>Der Beitrag <a href="https://blog.grams-it.com/2026/01/14/2026-01-patchday/">2026-01 Patchday</a> erschien zuerst auf <a href="https://blog.grams-it.com">Grams IT - Blog</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><img width="400" height="400" src="https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update.png" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Windows Update" decoding="async" srcset="https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update.png 400w, https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update-300x300.png 300w, https://blog.grams-it.com/wp-content/uploads/2025/04/Windows-Update-150x150.png 150w" sizes="(max-width: 400px) 100vw, 400px" /></p>]]></content:encoded>
					
		
		
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