Find notable cyber news and cases, enriched with sources, timelines, and signals.
Home Watchlists Beta Browse News Feed Stats About Contact

Microsoft Copilot remote code execution flaw (CVE-2026-48561)

Vulnerability
First reported
Last updated
Happening score
H score 33
1 unique sources, 1 articles

Summary

Hide ▲

A CVE-2026-48561 remote code execution flaw in Microsoft Copilot can let an unauthorized attacker execute code over the network, creating remote takeover risk for affected users. The bug carries a 9.6 CVSS score and is tied to an exploit path involving a malicious website and Microsoft Edge for Android. Microsoft’s July 2026 patch cycle includes updates covering the issue.

Related Happenings

SharePoint Server unauthenticated privilege escalation flaw actively exploited (CVE-2026-56164)

Vulnerability
H score82 First: 14.07.2026 23:25 Last: 14.07.2026 23:25 Sources 1

About this happening: CVE-2026-56164 is an actively exploited SharePoint Server vulnerability that lets an unauthenticated attacker escalate privileges over the network. The flaw puts *...

Latest development: 15.07.2026 12:20

Microsoft’s July 14 Patch Tuesday included CVE-2026-56164, an elevation-of-privilege flaw in Microsoft SharePoint Server that required no existing privileges and was described as low complexity. The zero-day was one of two vulnerabilities in the release that had been exploited in the wild, and Microsoft issued updates for affected systems.

Open Happening

CCB urgent patch warning for CVE-2026-41089 on Windows servers

Public Sector Action
H score48 First: 01.06.2026 15:30 Last: 01.06.2026 15:30 Sources 1

About this happening: Belgium's CCB warned that CVE-2026-41089 is being actively exploited in the wild, urging admins to immediately patch vulnerable Windows servers because the fla...

Open Happening

Timeline

  1. 14.07.2026 22:22 2 articles · 13d ago

    Microsoft patches CVE-2026-48561 in Copilot remote code execution flaw

    Initial Disclosure

    Microsoft released July Patch Tuesday updates for at least 570 security holes, and Action1 highlighted CVE-2026-48561 in Microsoft Copilot as a 9.6 CVSS remote code execution flaw that can let an unauthorized attacker execute code over the network. Microsoft says the attack path can involve a malicious website that causes Microsoft Edge for Android to send crafted prompts to Copilot when a user visits the site.

    Show sources
    Open in new tab