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Microsoft CVE-2021-34527: Windows Print Spooler Remote Code Execution Vulnerability (PrintNightmare)

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Microsoft CVE-2021-34527: Windows Print Spooler Remote Code Execution Vulnerability (PrintNightmare)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
07/01/2021
Created
07/08/2021
Added
07/07/2021
Modified
11/15/2022

Description

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 6, 2021: Microsoft has completed the investigation and has released security updates to address this vulnerability. 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. See also KB5005010: Restricting installation of new printer drivers after applying the July 6, 2021 updates. Note that the security updates released on and after July 6, 2021 contain protections for CVE-2021-1675 and the additional remote code execution exploit in the Windows Print Spooler service known as “PrintNightmare”, documented in CVE-2021-34527.

Solution(s)

  • msft-kb5004945-19cddc3c-f295-4b37-9417-46f7bae16249
  • msft-kb5004945-30f75e5d-2c46-42be-aef6-97ae730452be
  • msft-kb5004945-34acf687-8553-4735-8510-5e50d4ae1b03
  • msft-kb5004945-4bf8cbe2-a65d-4280-8492-ce275714e957
  • msft-kb5004945-7704cef5-cd0c-4f01-978c-e11d341a87f7
  • msft-kb5004945-b5b70fa0-8957-4114-9311-4c32d3be5434
  • msft-kb5004945-bfda051c-3d7e-4fc9-a77b-bdc1923c55f5
  • msft-kb5004945-f24e80af-5da3-4469-b160-786cfe5ad3ee
  • msft-kb5004946-a117ec4f-d545-43cc-a284-b9c37f1102f7
  • msft-kb5004946-f3f0afa0-c6ba-47bb-a730-a0e43f5b0871
  • msft-kb5004947-cdd9d576-1ce4-4ea3-889b-5a2bf5db8b76
  • msft-kb5004947-cebc5df9-43a4-479d-8494-d0aeb6e29e78
  • msft-kb5004947-d0658186-3052-4729-a464-e3d06f779e05
  • msft-kb5004948-7529737a-0ae1-4fd8-8f35-0e7d90bbc5ef
  • msft-kb5004948-7f73ace1-c0ca-40dc-a9c1-4084876ee2ea
  • msft-kb5004948-df7c1760-b639-4a3f-90e2-b1b145348721
  • msft-kb5004950-5d948576-92d0-400a-be52-c039486b00e6
  • msft-kb5004950-9e3c194a-2f0c-4800-aebf-5b91278a597d
  • msft-kb5004951-4cf104b2-73cc-4b31-af64-0897ed112d42
  • msft-kb5004951-7b4b8daf-938e-4f81-b6b8-deeca71982f1
  • msft-kb5004951-a6e1a05a-cc4b-4abe-89f3-ef967120e962
  • msft-kb5004951-c4358f91-9c5e-47cc-8fc0-5126762508ce
  • msft-kb5004951-f8d7df81-e562-410e-8a99-5b91dc431389
  • msft-kb5004958-872e8b44-3e08-4c38-85fb-bb6c0fe500fd
  • msft-kb5004958-b474a9ae-2fed-49b4-a8ca-1f19224147ec
  • msft-kb5004958-b829fc46-d296-4e50-8ac3-a2ed1afcf71e
  • msft-kb5004959-5dc1c57a-bebd-40bd-8267-a53f7e5ee00f
  • msft-kb5004959-9648ba0a-50d8-4ba0-91be-0d7e150e56ba
  • msft-kb5004960-af727fb5-42bf-453d-a550-bca2fab2a4f8
  • msft-kb5004960-f59cc932-12a9-46ef-bdf1-cfb2f5ffcba0
  • msft-kb5004960-ff6ce56e-6f94-487f-b56a-4a9676065cbe

References

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