CRITICALZero Day
Global

Microsoft releases Windows 10 KB5082200 extended security update

·Source: BleepingComputer

Updated:

Executive Summary

Microsoft has released the Windows 10 KB5082200 extended security update to fix the April 2026 Patch Tuesday vulnerabilities, including 2 zero-days. [...]

Analysis

Microsoft has released the Windows 10 KB5082200 extended security update to fix the April 2026 Patch Tuesday vulnerabilities, including 2 zero-days. [...]
Source Attribution

Originally published by BleepingComputer on Apr 14, 2026.

Related Threats

CRITICALZero Day

Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched

Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity involves the exploitation of three vulnerabilities that are codenamed BlueHammer (requires GitHub sign-in), RedSun, and UnDefend, all of which were released as zero-days by a researcher known as Chaotic Eclipse (

The Hacker News
CRITICALZero Day

White House moves to give federal agencies access to Anthropic’s Claude Mythos

The US government is preparing to authorize a version of Anthropic’s Claude Mythos model for use by major US federal agencies, amid concerns that the AI model could rapidly spot cybersecurity vulnerabilities and offer the ability to exploit them. Federal Chief Information Officer Gregory Barbaccia at the White House Office of Management and Budget (OMB) told officials at Cabinet departments on Tue

CSO Online
CRITICALZero DayPOC

Caught, Quarantined, Re-installed: RedSun turns Microsoft Defender on itself

Days after Microsoft patched a high-severity issue affecting its Windows Defender antivirus tool through April’s Patch Tuesday, researchers warn of another vulnerability that could enable SYSTEM privileges through local escalation. In a newly disclosed proof-of-concept (PoC) exploit, dubbed “RedSun,” GitHub user going by the name “Nightmare Eclipse” demonstrated how Microsoft Defender’s handling o

CVE-2026-33825
CSO Online