microsoft windows server 20h2

Name: microsoft windows server 20h2
Brand: microsoft

productUS

cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*

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

critical

by severity

0critical12high22medium1low

updated 2026-10-28

vulnerabilities (53)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-31166US	high7.5OT critical	99.9% (100th)	KEV	10.0.19042.982	2021-05-11	< 10.0.19042.982
CVE-2021-34527US	high9.0OT critical	99.8% (100th)	KEV	10.0.19042.1083	2021-07-02	< 10.0.19042.1083
CVE-2020-1472US	high9.3OT critical	99.4% (100th)	KEV	no fix	2020-08-17	—
CVE-2022-30190US	high9.3OT critical	99.2% (100th)	KEV	10.0.19042.1766	2022-06-01	< 10.0.19042.1766
CVE-2021-40444US	medium6.8OT critical	97.8% (100th)	KEV	10.0.19042.1237	2021-09-15	< 10.0.19042.1237
CVE-2021-40449US	medium4.6OT critical	81.9% (100th)	KEV	10.0.19042.1288	2021-10-13	< 10.0.19042.1288
CVE-2021-31955US	low2.1OT critical	81.1% (100th)	KEV	10.0.19042.1052	2021-06-08	< 10.0.19042.1052
CVE-2021-1732US	medium4.6OT critical	78.4% (100th)	KEV	no fix	2021-02-25	—
CVE-2021-42287US	medium6.5OT critical	77.2% (100th)	KEV	10.0.19042.1348	2021-11-10	< 10.0.19042.1348
CVE-2021-42278US	medium6.5OT critical	73.3% (99th)	KEV	10.0.19042.1348	2021-11-10	< 10.0.19042.1348
CVE-2021-36942US	medium5.0OT critical	66.0% (99th)	KEV	10.0.19042.1165	2021-08-12	< 10.0.19042.1165
CVE-2022-21882US	high7.8OT critical	59.2% (99th)	KEV	10.0.19042.1466	2022-01-11	< 10.0.19042.1466
CVE-2022-21971US	high9.3OT critical	53.8% (99th)	KEV	10.0.19042.1526	2022-02-09	< 10.0.19042.1526
CVE-2022-21999US	medium4.6OT critical	41.0% (99th)	KEV	10.0.19042.1526	2022-02-09	< 10.0.19042.1526
CVE-2021-31956US	high9.3OT critical	22.3% (98th)	KEV	10.0.19042.1052	2021-06-08	< 10.0.19042.1052
CVE-2022-22718US	high7.2OT critical	18.5% (97th)	KEV	10.0.19042.1526	2022-02-09	< 10.0.19042.1526
CVE-2022-26904US	medium4.4OT critical	16.9% (97th)	KEV	10.0.19042.1645	2022-04-15	< 10.0.19042.1645
CVE-2021-34486US	medium4.6OT critical	9.33% (95th)	KEV	10.0.19042.1165	2021-08-12	< 10.0.19042.1165
CVE-2021-28310US	medium4.6OT critical	8.40% (95th)	KEV	no fix	2021-04-13	—
CVE-2022-24521US	medium4.6OT critical	7.13% (94th)	KEV	10.0.19042.1645	2022-04-15	< 10.0.19042.1645
CVE-2021-33739US	medium4.6OT critical	6.55% (94th)	KEV	10.0.19042.1052	2021-06-08	< 10.0.19042.1052
CVE-2021-36955US	medium4.6OT critical	4.07% (91st)	KEV	10.0.19042.1237	2021-09-15	< 10.0.19042.1237
CVE-2021-43226US	high7.8OT critical	3.28% (88th)	KEV	10.0.19042.1415	2021-12-15	< 10.0.19042.1415
CVE-2022-34713US	—OT critical	67.8% (99th)	KEV	10.0.19042.1889	2022-08-09	< 10.0.19042.1889
CVE-2021-36948US	medium4.6OT critical	23.3% (98th)	KEV	10.0.19042.1165	2021-08-12	< 10.0.19042.1165
CVE-2021-34484US	medium4.6OT critical	21.8% (98th)	KEV	10.0.19042.1165	2021-08-12	< 10.0.19042.1165
CVE-2021-41379US	medium4.6OT critical	19.5% (97th)	KEV	10.0.19042.1348	2021-11-10	< 10.0.19042.1348
CVE-2022-22047US	high7.2OT critical	18.8% (97th)	KEV	10.0.19042.1826	2022-07-12	< 10.0.19042.1826
CVE-2022-26925US	medium5.9OT critical	10.5% (96th)	KEV	10.0.19042.1706	2022-05-10	< 10.0.19042.1706
CVE-2021-33771US	high7.2OT critical	10.2% (96th)	KEV	10.0.19042.1110	2021-07-14	< 10.0.19042.1110
CVE-2021-31979US	high7.2OT critical	4.54% (92nd)	KEV	10.0.19042.1110	2021-07-14	< 10.0.19042.1110
CVE-2021-31199US	medium4.6OT critical	2.95% (87th)	KEV	10.0.19042.1052	2021-06-08	< 10.0.19042.1052
CVE-2021-31201US	medium4.6OT critical	2.62% (85th)	KEV	10.0.19042.1052	2021-06-08	< 10.0.19042.1052
CVE-2022-21919US	medium6.9OT critical	2.43% (84th)	KEV	10.0.19042.1466	2022-01-11	< 10.0.19042.1466
CVE-2021-41357US	medium4.6OT critical	1.58% (75th)	KEV	10.0.19042.1288	2021-10-13	< 10.0.19042.1288
CVE-2021-40450US	medium4.6OT critical	1.58% (75th)	KEV	10.0.19042.1288	2021-10-13	< 10.0.19042.1288
CVE-2022-35748US	—	47.2% (99th)	—	no fix	2023-05-31	—
CVE-2022-35756US	—	11.3% (96th)	—	no fix	2023-05-31	—
CVE-2022-35755US	—	9.79% (96th)	—	no fix	2023-05-31	—
CVE-2022-35750US	—	6.48% (94th)	—	no fix	2023-05-31	—
CVE-2022-35751US	—	5.46% (93rd)	—	10.0.19042.1889	2023-05-31	< 10.0.19042.1889
CVE-2022-35744US	—	1.98% (80th)	—	no fix	2023-05-31	—
CVE-2022-35759US	—	1.70% (77th)	—	no fix	2023-05-31	—
CVE-2022-35747US	—	1.68% (77th)	—	no fix	2023-05-31	—
CVE-2022-35743US	—	1.45% (73rd)	—	no fix	2023-05-31	—
CVE-2022-35753US	—	1.23% (69th)	—	no fix	2023-05-31	—
CVE-2022-35752US	—	1.23% (69th)	—	no fix	2023-05-31	—
CVE-2022-35745US	—	1.23% (69th)	—	no fix	2023-05-31	—
CVE-2022-35757US	—	0.78% (56th)	—	no fix	2023-05-31	—
CVE-2022-35749US	—	0.55% (46th)	—	no fix	2023-05-31	—

showing 50 of 53

weaknesses (8)

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

CWE-269Improper Privilege Management17 CVEs
CWE-264CWE-26416 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer6 CVEs
CWE-20Improper Input Validation5 CVEs
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')4 CVEs
CWE-416Use After Free4 CVEs
CWE-787Out-of-bounds Write4 CVEs
CWE-59Improper Link Resolution Before File Access ('Link Following')3 CVEs

sources (1)

Which sources assert this record, and when.

USNVD / CVE53 CVEs

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