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Vulnerabilities & PatchesEmerging1 sourceAug 11, 2026 · 05:00via Zero Day Initiative (Published)

ZDI-26-535: (Pwn2Own) Microsoft Exchange External Control of File Path Remote Code Execution Vulnerability

Brief

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Exchange. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The ZDI has assigned a CVSS rating of 7.

  • The following CVEs are assigned: CVE-2026-62911.
Read more on Zero Day Initiative (Published)→
Vulnerabilities & PatchesCVE-2026-62911Microsoft