Description
Inefficient algorithmic complexity in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 – < 15.02.2562.057 | 15.02.2562.057 |
Advisories 3
- WID-SEC-2026-4483 Microsoft Exchange Server Subscription Edition RTM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- NCSC-2026-0477 Kwetsbaarheden verholpen in Microsoft Exchange server NCSC-NL (Netherlands) · Nov 10, 2026
- MSRC-CVE-2026-118153 Microsoft Exchange Server Denial of Service Vulnerability Microsoft Security Response Center · Nov 10, 2026
References
- Microsoft Exchange Server Denial of Service Vulnerability vendor-advisory patch