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Microsoft's massive Patch Tuesday: It's raining bugs

ID: b0d12a6c-490e-5c51-a404-34af78c239c6

STIX ID: report--b0d12a6c-490e-5c51-a404-34af78c239c6

Feed Name: The Register (Security)

Threat Score
70/100

Date Published: 2026-04-14

Date Updated: 2026-04-26

Author: Jessica Lyons

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Microsoft's April Patch Tuesday included 165 CVEs; the write-up highlights CVE-2026-32201, an improper input validation/spoofing vulnerability in SharePoint that Microsoft says is under active exploitation and can be used for phishing and unauthorized data manipulation, and CVE-2026-33825, an elevation-of-privilege issue in Defender that matches public exploit code dubbed "BlueHammer." The article notes limited disclosure details, debate over researcher interactions with Microsoft, and urges rapid testing and deployment of fixes.

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