Microsoft Windows Server 2012 R2 (Server Core installation)

Name: Microsoft Windows Server 2012 R2 (Server Core installation)
Brand: Microsoft

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

by severity

102critical1151high769medium101low

updated 2026-10-27

vulnerabilities (4,523)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2025-59287US	—OT critical	100.0% (100th)	KEV	6.3.9600.22826	2025-10-14	4 versions
CVE-2021-34527US	high9.0OT critical	99.8% (100th)	KEV	6.3.9600.20046	2021-07-02	6.3.9600.0 → 6.3.9600.20046
CVE-2023-36884US	—OT critical	99.4% (100th)	KEV	6.3.9600.21503	2023-07-11	6.3.9600.0 → 6.3.9600.21503
CVE-2020-1472US	high9.3OT critical	99.4% (100th)	KEV	publication	2020-08-17	6.3.0 → publication
CVE-2022-30190US	high9.3OT critical	99.2% (100th)	KEV	6.3.9600.20402	2022-06-01	6.3.9600.0 → 6.3.9600.20402
CVE-2021-40444US	medium6.8OT critical	97.8% (100th)	KEV	6.3.9600.20120	2021-09-15	6.3.9600.0 → 6.3.9600.20120
CVE-2023-36025US	high8.8OT critical	88.1% (100th)	KEV	6.3.9600.21668	2023-11-14	6.3.9600.0 → 6.3.9600.21668
CVE-2025-33053US	—OT critical	87.0% (100th)	KEV	6.3.9600.22620	2025-06-10	3 versions
CVE-2021-1675US	high9.3OT critical	85.3% (100th)	KEV	6.3.9600.20044	2021-06-08	2 versions
CVE-2024-43451US	—OT critical	84.3% (100th)	KEV	6.3.9600.22267	2024-11-12	6.3.9600.0 → 6.3.9600.22267
CVE-2024-38112US	—OT critical	84.2% (100th)	KEV	6.3.9600.22074	2024-07-09	6.3.9600.0 → 6.3.9600.22074
CVE-2022-26923US	high9.0OT critical	83.5% (100th)	KEV	6.3.9600.20919	2022-05-10	6.3.9600.0 → 6.3.9600.20919
CVE-2025-33073US	—OT critical	82.7% (100th)	KEV	6.3.9600.22620	2025-06-10	3 versions
CVE-2021-40449US	medium4.6OT critical	81.9% (100th)	KEV	6.3.9600.20144	2021-10-13	6.3.0 → 6.3.9600.20144
CVE-2021-42287US	medium6.5OT critical	77.2% (100th)	KEV	6.3.9600.20174	2021-11-10	6.3.0 → 6.3.9600.20174
CVE-2026-33824US	—OT critical	77.1% (100th)	KEV	no fix	2026-04-14	≤ vers:unknown/*
CVE-2021-42278US	medium6.5OT critical	73.3% (99th)	KEV	6.3.9600.20174	2021-11-10	6.3.0 → 6.3.9600.20174
CVE-2026-32202US	—OT critical	70.9% (99th)	KEV	6.3.9600.23291	2026-04-14	4 versions
CVE-2021-36942US	medium5.0OT critical	66.0% (99th)	KEV	6.3.9600.20094	2021-08-12	6.3.9600.0 → 6.3.9600.20094
CVE-2025-24054US	medium5.4OT critical	62.3% (99th)	KEV	6.3.9600.22470	2025-03-11	4 versions
CVE-2026-21510US	—OT critical	61.2% (99th)	KEV	6.3.9600.23022	2026-02-10	2 versions
CVE-2023-28252US	—OT critical	48.9% (99th)	KEV	6.3.9600.20919	2023-04-11	6.3.9600.0 → 6.3.9600.20919
CVE-2013-3900US	high7.6OT critical	44.6% (99th)	KEV	no fix	2013-12-11	≤ N/A
CVE-2023-36874US	—OT critical	42.6% (99th)	KEV	6.3.9600.21063	2023-07-11	6.3.9600.0 → 6.3.9600.21063
CVE-2023-29336US	—OT critical	41.2% (99th)	KEV	6.3.9600.20969	2023-05-09	6.3.9600.0 → 6.3.9600.20969
CVE-2022-21999US	medium4.6OT critical	41.0% (99th)	KEV	6.3.9600.20269	2022-02-09	6.3.9600.0 → 6.3.9600.20269
CVE-2023-21674US	—OT critical	34.2% (98th)	KEV	6.3.9600.20778	2023-01-10	6.3.9600.0 → 6.3.9600.20778
CVE-2025-26633US	—OT critical	30.4% (98th)	KEV	6.3.9600.22470	2025-03-11	4 versions
CVE-2024-38193US	—OT critical	28.7% (98th)	KEV	6.3.9600.22134	2024-08-13	6.3.9600.0 → 6.3.9600.22134
CVE-2022-37969US	—OT critical	28.3% (98th)	KEV	6.3.9600.20571	2022-09-13	6.3.9600.0 → 6.3.9600.20571
CVE-2025-30397US	—OT critical	27.3% (98th)	KEV	6.3.9600.22577	2025-05-13	2 versions
CVE-2024-49138US	—OT critical	26.2% (98th)	KEV	6.3.9600.22318	2024-12-12	6.3.9600.0 → 6.3.9600.22318
CVE-2024-35250US	—OT critical	25.2% (98th)	KEV	6.3.9600.22023	2024-06-11	6.3.9600.0 → 6.3.9600.22023
CVE-2021-31956US	high9.3OT critical	22.3% (98th)	KEV	6.3.9600.20044	2021-06-08	2 versions
CVE-2025-29824US	—OT critical	19.3% (97th)	KEV	6.3.9600.22523	2025-04-08	6.3.9600.0 → 6.3.9600.22523
CVE-2022-22718US	high7.2OT critical	18.5% (97th)	KEV	6.3.9600.20269	2022-02-09	6.3.9600.0 → 6.3.9600.20269
CVE-2022-26904US	medium4.4OT critical	16.9% (97th)	KEV	6.3.9600.20337	2022-04-15	6.3.9600.0 → 6.3.9600.20337
CVE-2023-36424US	high7.8OT critical	12.1% (96th)	KEV	6.3.9600.21668	2023-11-14	6.3.9600.0 → 6.3.9600.21668
CVE-2026-20805US	—OT critical	7.46% (94th)	KEV	6.3.9600.22968	2026-01-13	4 versions
CVE-2022-24521US	medium4.6OT critical	7.13% (94th)	KEV	6.3.9600.20337	2022-04-15	6.3.9600.0 → 6.3.9600.20337
CVE-2025-24990US	—OT critical	6.37% (94th)	KEV	6.3.9600.22824	2025-10-14	4 versions
CVE-2023-21823US	—OT critical	5.56% (93rd)	KEV	6.3.9600.20821	2023-02-14	6.3.9600.0 → 6.3.9600.20821
CVE-2020-17087US	high7.2OT critical	5.43% (93rd)	KEV	publication	2020-11-11	6.3.0 → publication
CVE-2025-47827US	—OT critical	4.93% (92nd)	KEV	no fix	2025-06-05	≤ vers:unknown/*
CVE-2025-60710US	—OT critical	4.61% (92nd)	KEV	no fix	2025-11-11	≤ vers:unknown/*
CVE-2025-62215US	—OT critical	4.46% (91st)	KEV	no fix	2025-11-11	≤ vers:unknown/*
CVE-2026-21533US	—OT critical	4.18% (91st)	KEV	6.3.9600.23022	2026-02-10	2 versions
CVE-2021-36955US	medium4.6OT critical	4.07% (91st)	KEV	6.3.9600.20120	2021-09-15	6.3.9600.0 → 6.3.9600.20120
CVE-2024-26169US	—OT critical	3.98% (90th)	KEV	6.3.9600.21871	2024-03-12	6.3.9600.0 → 6.3.9600.21871
CVE-2025-24985US	—OT critical	3.89% (90th)	KEV	6.3.9600.22470	2025-03-11	4 versions

showing 50 of 4,523

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

CWE-122Heap-based Buffer Overflow750 CVEs
CWE-416Use After Free699 CVEs
CWE-125Out-of-bounds Read472 CVEs
CWE-20Improper Input Validation449 CVEs
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')341 CVEs
CWE-264CWE-264294 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor278 CVEs
CWE-269Improper Privilege Management234 CVEs

sources (3)

Which sources assert this record, and when.

EUEU Vulnerability Database (ENISA)2,853 CVEs
USMicrosoft MSRC (CSAF)1,834 CVEs
NLNCSC-NL (CSAF)1,302 CVEs

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