6.5
CVE-2026-21527
- EPSS 0.07%
- Veröffentlicht 10.02.2026 18:16:35
- Zuletzt bearbeitet 11.02.2026 21:41:55
- Quelle secure@microsoft.com
- CVE-Watchlists
- Unerledigt
LoginMicrosoft Exchange Server Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Server SwEditionsubscription Version < 15.02.2562.037
Microsoft ≫ Exchange Server Version2016 Updatecumulative_update_23
Microsoft ≫ Exchange Server Version2019 Updatecumulative_update_14
Microsoft ≫ Exchange Server Version2019 Updatecumulative_update_15
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.07% | 0.21 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| secure@microsoft.com | 6.5 | 3.9 | 2.5 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
|
CWE-1286 Improper Validation of Syntactic Correctness of Input
The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax.
CWE-345 Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
CWE-451 User Interface (UI) Misrepresentation of Critical Information
The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.