Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
CVE-2026-96196
Summary
Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Products covered
Microsoft Exchange Server Subscription Edition RTM
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 15
Microsoft Exchange Server 2019 Cumulative Update 14
Remediation
Install KB5121573. Install KB5121576. Install KB5121574. Install KB5121575.
Vendor-listed fixes
15.02.2562.046
15.01.2507.072
15.02.1748.049
15.02.1544.044
CVEs in this advisory 1
Update history
What changed in later vendor updates
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- The vendor changed its remediation guidance.
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.