High severity · published Aug 12, 2021
CVE-2021-36958
Windows Print Spooler Remote Code Execution Vulnerability
7.8
CVSS
30.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)30.8% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 Version 1507 · Microsoft
10.0.10240.0 before 10.0.10240.19060 · source: vendor
W1
Windows 10 Version 1607 · Microsoft
10.0.14393.0 before 10.0.14393.4651 · source: vendor
W1
Windows 10 Version 1809 · Microsoft
10.0.17763.0 before 10.0.17763.2183; 10.0.0 before 10.0.17763.2183 · source: vendor
W1
Windows 10 Version 1909 · Microsoft
10.0.0 before 10.0.18363.1801 · source: vendor
W1
Windows 10 Version 2004 · Microsoft
10.0.0 before 10.0.19041.1237 · source: vendor
W1
Windows 10 Version 20H2 · Microsoft
10.0.0 before 10.0.19042.1237 · source: vendor
W1
Windows 10 Version 21H1 · Microsoft
10.0.0 before 10.0.19043.1237 · source: vendor
W7
Windows 7 · Microsoft
6.1.0 before 6.1.7601.25712 · source: vendor
W7
Windows 7 Service Pack 1 · Microsoft
6.1.0 before 6.1.7601.25712 · source: vendor
W8
Windows 8.1 · Microsoft
6.3.0 before 6.3.9600.20120 · source: vendor
WS
Windows Server 2008 R2 Service Pack 1 · Microsoft
6.1.7601.0 before 6.1.7601.25712 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36958
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36958
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36958
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958
www.kb.cert.org
https://www.kb.cert.org/vuls/id/131152
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