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Product · Microsoft

Windows Server 2012 R2 (Server Core installation)

3,974 known vulnerabilities.

Windows Server 2012 R2 (Server Core installation) at a glance

Last 12 months
1,680
Critical · all time
153
Exploited · all time
92
Public exploit · all time
198

22 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: 12 vulnerabilities Dec 2025 January 2026: 35 vulnerabilities February 2026: 15 vulnerabilities March 2026: 32 vulnerabilities Mar April 2026: 58 vulnerabilities May 2026: 42 vulnerabilities, 1 critical June 2026: 64 vulnerabilities, 2 critical Jun July 2026: 186 vulnerabilities, 9 critical August 2026: 144 vulnerabilities, 3 critical September 2026: 418 vulnerabilities, 28 critical Sep October 2026: 657 vulnerabilities, 39 critical November 2026: 17 vulnerabilities, 1 critical
Show as table
MonthVulnerabilitiesCritical
Nov 2026171
Oct 202665739
Sep 202641828
Aug 20261443
Jul 20261869
Jun 2026642
May 2026421
Apr 2026580
Mar 2026320
Feb 2026150
Jan 2026350
Dec 2025120
Nov 2025171
Oct 2025491
Sep 2025350
Aug 2025501
Jul 2025611
Jun 2025230
May 2025310
Apr 2025550
Mar 2025240
Feb 2025230
Jan 2025942
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.

3,974 results · Feed