A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
UPDATE July 7, 2021: The security update for Windows Server 2012, Windows Server 2016 and Windows 10, Version 1607 have been released. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. If you are unable to install these updates, see the FAQ and Workaround sections in this CVE for information on how to help protect your system from this vulnerability.
In addition to installing the updates, in order to secure your system, you must confirm that the following registry settings are set to 0 (zero) or are not defined (Note: These registry keys do not exist
Connections 40
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 20228a1a8458-6d89-4f2f-b602-8ecdf0d81d68
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 20H2da0ca746-200c-4f50-895a-584cde8ccdcf
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2016f4009dd3-02ca-497c-b064-712c8a37c5ec
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)56136a17-93be-4d75-887f-702fea416ddd
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 8.11c4aa696-7cd7-4b68-8991-68fab3f835a8
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 11 version 22H29164ab8b-2486-4734-a224-9a13d4b22a9f
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2008 R2 Service Pack 1248b2c16-e2fc-48be-8f90-b643c8f7051d
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 201253ce4983-bbea-472c-bd6a-7fc5a4bc7d36
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2008 Service Pack 2c13d4607-58cd-420b-b2c4-200df8d70e86
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2012 (Server Core installation)06bd3edf-6460-4d43-8725-a1026bbe6ccc
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server version 20H221899c1f-1963-4c78-a43c-48edd330ebf6
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2016 (Server Core installation)2d78c5d3-2feb-4e43-a141-ee289a5e33d2
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2012 R2 (Server Core installation)41766c3b-b112-4bac-8c17-d518b4e02bb4
has cited scope2 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 180922c7044a-6fbf-478f-8ec0-a361a6efa859359b626a-fa29-44f0-92e2-1548e6cb996e
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)8d589000-6afa-4774-9f29-27e5822d1ef6
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 22H2c6a5af97-d9f1-45b8-adc1-f49bc4e0b38d
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 1507b8e9c6d5-21a4-4576-a4b3-ae1f9bc2c6fd
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 21H282d5255a-c58f-4f54-84b0-d2b43e17d46b
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 11 version 21H2f5d632eb-5eab-4d69-bee5-20437f6a5cb3
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2019c80b4175-b3a7-469c-9015-d6840fb7ef25
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows 10 Version 1607111bae81-f881-4475-b44c-ef2a88965524
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2012 R21b637eeb-5517-4526-821e-1a9305ac86bf
has cited scope1 retained · stored CVE-2021-34527 → Microsoft · Windows Server 2019 (Server Core installation)7caea62e-f147-40da-9556-8088a54da12a
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_server_201619dd1205-63cf-453a-9ffb-9720b80403c5
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_rt_8.18c9410bb-ae16-4a94-862a-9c93f6f738c0
has vulnerable target scope2 retained · stored CVE-2021-34527 → microsoft · windows_server_2008cf2815a6-66bd-4c6d-a92e-203c6a925c2ad964a746-b8e6-4159-a0f9-61b5ac31c79b
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_server_2019870e7aab-d839-4f68-87c6-d2936b6504c1
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_server_20h2470670c6-2230-4ca0-9aed-1699e14e5475
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_20h2c2f3c6c5-491b-4042-a4ee-8bece4bf46ec
has vulnerable target scope2 retained · stored CVE-2021-34527 → microsoft · windows_server_20123607fd53-b81a-4d30-8abc-7a65fdf4145cc230294d-54a1-4800-a5a0-09a60ea311ba
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_1607c8e39af6-235e-42da-b4a6-7e85c328ca11
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_8.16e49ae63-b01d-4dd2-8c8d-42ffea1f823d
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_11_21h2063e337d-00a8-4af1-ba02-d0881c3b22d6
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_150706756e2a-9670-4bc7-af4f-7eba472874f8
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_18095a70bcc2-ec4e-4e07-a8e1-af0f4efa4b8b
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_22h281a42d8b-9174-4a5b-a0ae-48bc2f4d6452
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_server_20228c81a2fc-3c42-4aa6-8143-4255be0419e0
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_10_21h2d0c28252-9c2d-43ee-acef-6a07f5f0b23e
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_7dfe78f34-e298-4a6e-880e-ba60a6482791
has vulnerable target scope1 retained · stored CVE-2021-34527 → microsoft · windows_11_22h2c8f45151-1cce-4435-ab60-addc149a2d5b