Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0.0 – < 15.01.2507.066 | 15.01.2507.066 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0.0 – < 15.02.1544.039 | 15.02.1544.039 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | 15.02.0.0 – < 15.02.1748.043 | 15.02.1748.043 |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 – < 15.02.2562.037 | 15.02.2562.037 |
Advisories 4
- WID-SEC-2026-0369 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 26, 2026
- WID-SEC-2026-0366 Microsoft Exchange Server: Schwachstelle ermöglicht Darstellen falscher Informationen BSI CERT-Bund (WID) · Feb 10, 2026
- NCSC-2026-0054 Kwetsbaarheid verholpen in Microsoft Exchange NCSC-NL (Netherlands) · Feb 10, 2026
- MSRC-CVE-2026-21527 Microsoft Exchange Server Spoofing Vulnerability Microsoft Security Response Center · Feb 10, 2026
References
- Microsoft Exchange Server Spoofing Vulnerability vendor-advisory patch