Signal
SearchLeak vulnerability enables one-click data theft from Microsoft 365 Copilot Enterprise
Evidence first: scan the strongest sources, then decide whether to go deeper.
Published 2026-06-15 13:00 UTCUpdated 2026-06-15 22:53 UTC
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cveexploitssecurity_toolingincident_response
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Evidence trail (top sources)
top sources (3 domains)domains are deduped. counts indicate coverage, not truth.3 top sources shown
Overview
A critical vulnerability chain named SearchLeak (CVE-2026-42824) affects Microsoft 365 Copilot Enterprise, allowing attackers to steal sensitive data including emails, calendar details, files, and MFA codes via a specially crafted URL.
Entities
MicrosoftVaronis Threat LabsMicrosoft 365 Copilot
Score total
1.33
Momentum 24h
3
Posts
3
Origins
3
Source types
1
Duplicate ratio
0%
Why now
- The vulnerability was recently discovered and publicly disclosed, requiring immediate attention.
- Attackers could exploit this flaw with minimal user interaction—a single click.
- Organizations using Microsoft 365 Copilot Enterprise need to assess and mitigate this risk promptly.
Why it matters
- The vulnerability enables attackers to bypass traditional anti-phishing defenses using legitimate microsoft.com URLs.
- It exposes sensitive enterprise data including emails, files, and MFA codes, risking data breaches.
- Highlights security risks in AI-powered enterprise tools like Microsoft 365 Copilot.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
- SearchLeak vulnerability allows attackers to steal emails, files, calendar details, and MFA codes from Microsoft 365 Copilot Enterprise via a one-click attack.
How sources frame it
- BleepingComputer: neutral
Consolidated multiple reports into a clear narrative emphasizing the criticality and unique bypass method of the SearchLeak vulnerability.
All evidence
All evidence
SearchLeak vulnerability allows data theft from Microsoft 365 Copilot Enterprise
SC Media · scworld.com · 2026-06-15 22:53 UTC
One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes
thehackernews · thehackernews.com · 2026-06-15 15:09 UTC
New attack turned Microsoft 365 Copilot into 1-click data theft tool
bleepingcomputer_all · bleepingcomputer.com · 2026-06-15 13:00 UTC
Show filters & breakdown
Posts loaded: 0Publishers: 3Origin domains: 3Duplicates: -
Showing 3 / 3
Top publishers (this list)
- SC Media (1)
- thehackernews (1)
- bleepingcomputer_all (1)
Top origin domains (this list)
- scworld.com (1)
- thehackernews.com (1)
- bleepingcomputer.com (1)