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CVE-2021-33771

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Selected cve

CVE-2021-33771

Windows Kernel Elevation of Privilege Vulnerability

32 retained evidence references · snapshot-bound · open authoritative view

StateSource-scoped evidence

Priority73.0–78.1

Coverage92.5%

Connections31

Choose an action.

Evidence state

identity unresolved
known present
evidence unknown

Snapshot-bound reason tuple

Evidence supportedfactor_a_kev

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_b_epss

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_c_cvss

Eligible evidence is present for this bounded claim.

Revision: casca-direct-cvss-eligibility-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Source-reported scopefactor_d_breadth

The source assertion is retained, but its canonical identity is unresolved.

Revision: casca-factor-d-obligations-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: Resolve identity

Connections 31

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 20H2

8f0f6287-d8b0-419a-9586-c38ef4bad033

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server version 2004

552c6595-3860-4f76-91be-b443ecc56448

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 21H1

c59434e9-f8b9-46b9-9f9d-8719dd417346

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2016

b5071194-1b44-4315-9506-5147cfd230f0

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 8.1

c48bf9fd-26a2-4bd2-b93f-43dd8f5673a0

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 2004

d6a31d40-3eed-4073-9b5c-0990aabe6c56

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server version 20H2

75443871-5c59-4766-bc03-ef1bb022467a

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2016 (Server Core installation)

9609e230-4650-4692-872f-4723932669d7

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2012 R2 (Server Core installation)

fa978c71-23e2-4b0f-b787-47477969bb4d

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 1909

f27a2f86-180b-4e38-b907-c0f6ca44bd33

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 1809

5e0199dc-7e88-47fb-9708-98f639f2928b

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 1507

6e465293-da87-491a-b451-4b87f1bbf25e

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2019

dc50c911-f7f4-4389-ac54-d3e755076e30

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows 10 Version 1607

683fd15c-e52a-4590-8188-4256d38bdb8d

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2012 R2

e0c0f662-d915-4f96-a50c-89672046605e

has cited scope1 retained · stored CVE-2021-33771 → Microsoft · Windows Server 2019 (Server Core installation)

b1c0bc6c-0ed6-4db6-9319-2a46c6fede6a

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_server_2016

48130cfb-15d1-4e06-8929-8dba3fcd2fdb

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_rt_8.1

142b55f3-f918-49b1-9593-3a4c503685ca

has vulnerable target scope2 retained · stored CVE-2021-33771 → microsoft · windows_server_2008

366015e1-7870-44a4-b4ec-4311a1b5e764ad40e54f-c7eb-4cfe-a7cc-44c0a7c2a703

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_server_2019

c319a54c-0df4-4c11-8d43-abaf2cb7f521

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_server_20h2

63aac3e3-9e9a-4667-b01d-d17794bf23f3

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_20h2

5560f7db-75ee-4c56-a981-f2d0b7d1e8c0

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_server_2004

78e665f2-4385-4712-9a43-5e90811fa7e3

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_server_2012

aa49794d-2c98-4af8-8d5a-f716ba702a27

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_1607

f7d3158a-6fe1-4676-b55e-573eb1be066b

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_8.1

8afd6486-47c6-4ec6-bf94-b7d52c162637

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_1507

6b11f50e-a79d-42fe-bf62-babced7d4a43

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_2004

728daaf8-aaa0-4a4d-aba7-060acf646620

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_1809

6b678127-4d36-455b-9949-7fc3b895a672

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_21h1

52c9d01c-d416-4b99-940e-29c493b770f6

has vulnerable target scope1 retained · stored CVE-2021-33771 → microsoft · windows_10_1909

cfd9b1ed-ba54-4533-b3da-9a387a359adc

Focused snapshot evidence neighborhood.

CVEProductSignalSelected / traceVisual proximity carries zero evidence weight.

Data as of

Evidence current through Aug 27, 2026, 6:09 PM UTC · 32 entities · 31 relationships · bounded complete