Vulnerability record · CVE-2026-55007 · published 8 September 2026
CVE-2026-55007: Double free vulnerability
Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Description
Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Track CVE-2026-55007 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2026-55007), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.