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OpenAdvisories

Product · Microsoft

Windows Server 2012 (Server Core installation)

3,748 known vulnerabilities.

Windows Server 2012 (Server Core installation) at a glance

Last 12 months
1,604
Critical · all time
151
Exploited · all time
83
Public exploit · all time
188

21 of the exploited vulnerabilities are known to be used by ransomware (CISA).

New vulnerabilities per month · last 12 months
0 500 1,000 December 2025: 11 vulnerabilities Dec 2025 January 2026: 34 vulnerabilities February 2026: 13 vulnerabilities March 2026: 31 vulnerabilities Mar April 2026: 55 vulnerabilities May 2026: 39 vulnerabilities, 1 critical June 2026: 61 vulnerabilities, 2 critical Jun July 2026: 175 vulnerabilities, 9 critical August 2026: 139 vulnerabilities, 3 critical September 2026: 393 vulnerabilities, 28 critical Sep October 2026: 620 vulnerabilities, 38 critical November 2026: 17 vulnerabilities, 1 critical
Show as table
MonthVulnerabilitiesCritical
Nov 2026171
Oct 202662038
Sep 202639328
Aug 20261393
Jul 20261759
Jun 2026612
May 2026391
Apr 2026550
Mar 2026310
Feb 2026130
Jan 2026340
Dec 2025110
Nov 2025161
Oct 2025451
Sep 2025340
Aug 2025481
Jul 2025581
Jun 2025200
May 2025310
Apr 2025470
Mar 2025230
Feb 2025230
Jan 2025922
Dec 2024281

Latest advisories

  • High max 9.8
    NCSC-2026-0353 33 CVEs 2 exploited rev. 4

    Kwetsbaarheden verholpen in Microsoft Windows

    Microsoft heeft meerdere kwetsbaarheden verholpen in Windows.

    first Sep 8, 2026
  • High max 9.8
    NCSC-2026-0472 13 CVEs

    Kwetsbaarheden verholpen in Microsoft Windows

    Microsoft heeft kwetsbaarheden verholpen in Windows.

  • High max 9.9
    NCSC-2026-0423 51 CVEs

    Kwetsbaarheden verholpen in Microsoft Windows

    Microsoft heeft 1159 kwetsbaarheden verholpen in Windows.

  • High max 9.8
    NCSC-2026-0284 232 CVEs 1 exploited

    Kwetsbaarheden verholpen in Microsoft Windows

    Microsoft heeft een groot aantal kwetsbaarheden verholpen in Windows.

  • Critical max 9.8
    NCSC-2026-0181 119 CVEs

    Kwetsbaarheden verholpen in Microsoft Windows

    Microsoft heeft een groot aantal kwetsbaarheden verholpen in Windows.

3,748 results · Feed