Microsoft Exchange Server 2013 Cumulative Update 23 vulnerabilities

13 known vulnerabilities in Microsoft Exchange Server 2013 Cumulative Update 23 from Microsoft. 12 are rated high or critical, and 13 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.8 High severity

  Microsoft Exchange Server Deserialization of Untrusted Data Exploited

  CVE-2023-21529Feb 14, 2023MicrosoftEPSS 59.3%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 9.8 Critical severity

  Microsoft Exchange Server Privilege Escalation Exploited

  CVE-2022-41080Nov 9, 2022MicrosoftEPSS 77.3%

  Microsoft Exchange Server Elevation of Privilege Vulnerability

• 8.0 High severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2022-41082Oct 3, 2022MicrosoftEPSS 100%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 8.8 High severity

  Microsoft Exchange Server Server-Side Request Forgery Exploited

  CVE-2022-41040Oct 3, 2022MicrosoftEPSS 100%

  Microsoft Exchange Server Elevation of Privilege Vulnerability

• 9.8 Critical severity

  Microsoft Exchange Server Privilege Escalation Exploited

  CVE-2021-34523Jul 14, 2021MicrosoftEPSS 100%

  Microsoft Exchange Server Elevation of Privilege Vulnerability

• 9.8 Critical severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-34473Jul 14, 2021MicrosoftEPSS 100%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 7.5 High severity

  Microsoft Exchange Server Information Disclosure Exploited

  CVE-2021-33766Jul 14, 2021MicrosoftEPSS 98.2%

  Microsoft Exchange Server Information Disclosure Vulnerability

• 7.2 High severity

  Microsoft Exchange Server Information Disclosure Exploited

  CVE-2021-31196Jul 14, 2021MicrosoftEPSS 54.1%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 6.6 Medium severity

  Microsoft Exchange Server Security Feature Bypass Exploited

  CVE-2021-31207May 11, 2021MicrosoftEPSS 99.8%

  Microsoft Exchange Server Security Feature Bypass Vulnerability

• 7.8 High severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-27065Mar 3, 2021MicrosoftEPSS 99.9%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-26858Mar 3, 2021MicrosoftEPSS 93.7%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-26857Mar 3, 2021MicrosoftEPSS 95.8%

  Microsoft Exchange Server Remote Code Execution Vulnerability

• 9.8 Critical severity

  Microsoft Exchange Server Remote Code Execution Exploited

  CVE-2021-26855Mar 3, 2021MicrosoftEPSS 100%

  Microsoft Exchange Server Remote Code Execution Vulnerability