8.1
Élevée
Exploitée
CVE-2026-42897 Microsoft Exchange Server Cross-Site Scripting Vulnerability
Exploitation active constatée
· catalogue CISA KEV
Action attendue
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Campagnes de rançongiciel
Non constatée à ce jour
Faiblesse
CWE-79
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Microsoft Exchange Server 2016 Cumulative Update 23 15.01 | 15.01.0.0 → < 15.01.2507.069 | 15.01.2507.069 |
| Microsoft Exchange Server 2019 Cumulative Update 14 15.02 | 15.02.0.0 → < 15.02.1544.041 | 15.02.1544.041 |
| Microsoft Exchange Server 2019 Cumulative Update 15 15.02 | 15.02.0.0 → < 15.02.1748.046 | 15.02.1748.046 |
| Microsoft Exchange Server Subscription Edition RTM 15.02 | 15.02.0.0 → < 15.02.2562.043 | 15.02.2562.043 |
Références
- Microsoft Exchange Server Spoofing Vulnerability msrc.microsoft.com
Chronologie
- Publiée
- Ajoutée au catalogue KEV
- Dernière modification
Autres CVE de Microsoft Exchange Server 2016 Cumulative Update 23
Les 88 CVE de Microsoft Exchange Server 2016 Cumulative Update 23 →
CVE-2026-87695
Inclusion of functionality from untrusted control sphere in Microsoft Exchange Server allows an authorized attacker to…
7.8
Élevée
CVE-2026-87692
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges…
7.8
Élevée
CVE-2026-70279
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows…
9.3
Critique
CVE-2026-87696
Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate…
7.5
Élevée