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CVE-2021-33771

CVSS v3.1 7.8 (High)
78% Progress
CVSS v2.0 7.2 (High)
72% Progress
EPSS 0.14 % (50th)
0.14% Progress
Affected Products 15
Advisories 2
NVD Status Analyzed
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software Tools, Exploits & PoC Graph Web & Social Timeline

Windows Kernel Elevation of Privilege Vulnerability

Weaknesses
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE Status
PUBLISHED
NVD Status
Analyzed
CNA
Microsoft Corporation
Published Date
2021-07-14 18:15:10
(3 years ago)
Updated Date
2024-07-26 19:25:47
(7 weeks ago)
Microsoft Windows Kernel Privilege Escalation Vulnerability (CISA - Known Exploited Vulnerabilities Catalog)
Description
Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.
Required Action
Apply updates per vendor instructions.
Known to be Used in Ransomware Campaigns
Unknown
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-33771
Vendor
Microsoft
Product
Windows
In CISA Catalog from
2021-11-03
(2 years ago)
Due Date
2021-11-17
(2 years ago)

Affected Products

Microsoft

Configuration #1

    CPE23 From Up To
  Microsoft Windows 10 1507 prior 10.0.10240.19003 version cpe:2.3:o:microsoft:windows_10_1507 < 10.0.10240.19003
  Microsoft Windows 10 1607 prior 10.0.14393.4530 version cpe:2.3:o:microsoft:windows_10_1607 < 10.0.14393.4530
  Microsoft Windows 10 1809 prior 10.0.17763.2061 version cpe:2.3:o:microsoft:windows_10_1809 < 10.0.17763.2061
  Microsoft Windows 10 1909 prior 10.0.18363.1679 version cpe:2.3:o:microsoft:windows_10_1909 < 10.0.18363.1679
  Microsoft Windows 10 2004 prior 10.0.19041.1110 version cpe:2.3:o:microsoft:windows_10_2004 < 10.0.19041.1110
  Microsoft Windows 10 20h2 prior 10.0.19042.1110 version cpe:2.3:o:microsoft:windows_10_20h2 < 10.0.19042.1110
  Microsoft Windows 10 21h1 prior 10.0.19043.1110 version cpe:2.3:o:microsoft:windows_10_21h1 < 10.0.19043.1110
  Microsoft Windows 8.1 cpe:2.3:o:microsoft:windows_8.1:-
  Microsoft Windows Rt 8.1 cpe:2.3:o:microsoft:windows_rt_8.1:-
  Microsoft Windows Server 2004 prior 10.0.19041.1110 version cpe:2.3:o:microsoft:windows_server_2004 < 10.0.19041.1110
  Microsoft Windows Server 2008 SP1 on X64 cpe:2.3:o:microsoft:windows_server_2008:-:sp1:*:*:*:*:x64
  Microsoft Windows Server 2008 SP2 cpe:2.3:o:microsoft:windows_server_2008:-:sp2
  Microsoft Windows Server 2012 R2 cpe:2.3:o:microsoft:windows_server_2012:-:r2
  Microsoft Windows Server 2016 prior 10.0.14393.4530 version cpe:2.3:o:microsoft:windows_server_2016 < 10.0.14393.4530
  Microsoft Windows Server 2019 prior 10.0.17763.2061 version cpe:2.3:o:microsoft:windows_server_2019 < 10.0.17763.2061
  Microsoft Windows Server 20h2 prior 10.0.19042.1110 version cpe:2.3:o:microsoft:windows_server_20h2 < 10.0.19042.1110