CVE-2021-34481

EUVD-2021-21136
<p>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.</p>
<p><strong>UPDATE</strong> August 10, 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. This security update changes the Point and Print default behavior; please see <a href="https://support.microsoft.com/help/5005652">KB5005652</a>.</p>
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 96%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10
-
microsoftwindows_7
-
microsoftwindows_8.1
-
microsoftwindows_rt_8.1
-
microsoftwindows_server_2008
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
(x64, x86)
1607 (x64, x86)
1809 (arm64, x64, x86)
1909 (arm64, x64, x86)
2004 (arm64, x64, x86)
20H2 (arm64, x64, x86)
21H1 (arm64, x64, x86)
Windows 7
Service Pack 1 (x64, x86)
Windows 8.1
(x64, x86)
Windows RT 8.1
All
Windows Server
2004 Server Core
20H2 Server Core
Windows Server 2008
Service Pack 2 (x64, x86)
Service Pack 2 Server Core (x64, x86)
Windows Server 2008 R2
Service Pack 1 (x64)
Service Pack 1 Server Core (x64)
Windows Server 2012
Server Core
Standard
Windows Server 2012 R2
Server Core
Standard
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard