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CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild.
The vulnerabilities in question are as follows -
CVE-2025-66376 (CVSS score: 7.2) - A stored cross-site scripting
7:10 am, March 19, 2026
guid
https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
source_url
https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
id: 254
uid: 4PcmY
insdate: 2026-03-19 07:10:06
title: CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks
additional: The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild.
The vulnerabilities in question are as follows -
CVE-2025-66376 (CVSS score: 7.2) - A stored cross-site scripting
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
source_url: https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
updated:
image:
author_name:
author_link:
uid: 4PcmY
insdate: 2026-03-19 07:10:06
title: CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks
additional: The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild.
The vulnerabilities in question are as follows -
CVE-2025-66376 (CVSS score: 7.2) - A stored cross-site scripting
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
source_url: https://thehackernews.com/2026/03/cisa-warns-of-zimbra-sharepoint-flaw.html
updated:
image:
author_name:
author_link:
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