Kaspersky ID:
KLA91095
Detect Date:
06/09/2026
Updated:
07/20/2026

Description

Multiple vulnerabilities were found in Microsoft Server Software. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, gain privileges, obtain sensitive information, perform cross-site scripting attack, spoof user interface.

Below is a complete list of vulnerabilities:

  1. A spoofing vulnerability in Microsoft Exchange Server can be exploited remotely to spoof user interface.
  2. An information disclosure vulnerability in Microsoft Exchange Server can be exploited remotely to obtain sensitive information.
  3. An elevation of privilege vulnerability in Microsoft Exchange Server can be exploited remotely to gain privileges.
  4. A remote code execution vulnerability in Microsoft Exchange Server can be exploited remotely to execute arbitrary code.

Original advisories

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

CVE list

  • CVE-2026-45500
    high
  • CVE-2026-45501
    high
  • CVE-2026-45502
    warning
  • CVE-2026-45503
    high
  • CVE-2026-45504
    critical
  • CVE-2026-45583
    critical
  • CVE-2026-47631
    high

KB list

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com

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