Patch Tuesday, April 2026 Edition
2026-04-20T01:23:31Z•44b2991adacabd9eb475f4967c9ff5299d29fd9c78e3d85d3f63e98075513143
adobe-readeraisurubluehammercanisterwormcloud-intrusiondoxinggandcrabgoogle-chromeiot-botnetiran-targetingkimwolf`,`jackskid`,`mossadmicrosoftmicrosoft-officepatch-tuesdayremote-code-executionrevilrouter-vulnerabilitiesrussiasharepointstate-sponsoredtoken-harvestingunknwindows-defenderwiperzeroday
What happened
A set of April 2026 KrebsOnSecurity reports highlights multiple active, high-impact threats: Microsoft shipped patches for 167 vulnerabilities (including a SharePoint zero‑day and a publicly disclosed Windows Defender issue called “BlueHammer”), Google Chrome and Adobe Reader received emergency fixes for exploited zero‑days/RCEs, and researchers warned of a mass token‑harvesting campaign by Russia‑linked actors abusing unpatched routers to steal Microsoft Office authentication tokens from >18,000 networks. Other notable incidents include a cloud‑spreading wiper dubbed “CanisterWorm” targeting,
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- krebs_on_security
- Record identifier
- 44b2991adacabd9eb475f4967c9ff5299d29fd9c78e3d85d3f63e98075513143
- Enrichment time
- 2026-04-20T01:23:31Z
- AI-assisted enrichment
- Yes
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