The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient validation of requests on the server side, allows attackers to increase their privileges.
🗓️ 30 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-65801 | 20 Aug 202622:40 | – | circl |
 | CVE-2026-65801 | 20 Aug 202621:43 | – | cve |
 | CVE-2026-65801 Microsoft Exchange Online Elevation of Privilege Vulnerability | 20 Aug 202621:43 | – | cvelist |
 | EUVD-2026-63689 | 21 Aug 202600:31 | – | euvd |
 | KLA91239 Multiple vulnerability in Microsoft Server Software | 20 Aug 202600:00 | – | kaspersky |
 | Microsoft Exchange Online Elevation of Privilege Vulnerability | 20 Aug 202614:00 | – | mscve |
 | CVE-2026-65801 | 20 Aug 202622:17 | – | nvd |
 | PT-2026-79200 | 20 Aug 202600:00 | – | ptsecurity |
 | CVE-2026-65801: Server-Side Request Forgery (SSRF) | 20 Aug 202600:00 | – | rapid7 |
 | CVE-2026-65801 Microsoft Exchange Online Elevation of Privilege Vulnerability | 20 Aug 202621:43 | – | vulnrichment |
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30 Sep 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 210
CVSS 310
EPSS0.00901