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Patch Alert: Microsoft Fixes Nearly 80 Bugs, Including Critical Office Flaws

ID: 9865af3e-4b9b-5633-a8c7-99d7a3f86300

STIX ID: report--9865af3e-4b9b-5633-a8c7-99d7a3f86300

Feed Name: TechRepublic Security

Threat Score
70/100

Date Published: 2026-03-11

Date Updated: 2026-04-23

Author: Aminu Abdullahi

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Microsoft’s March Patch Tuesday addresses roughly 78 vulnerabilities, including critical Office RCEs exploitable via the Preview Pane, an Excel Copilot information‑disclosure flaw, publicly disclosed SQL Server and .NET issues, and a 9.8‑rated defect found by an autonomous AI agent; Microsoft has released patches and users are advised to update or disable the Preview Pane as a temporary mitigation.

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