Windows Print Spooler Components
CVE-2021-34481 — Windows Print Spooler Remote Code Execution Vulnerability
Executive Summary
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 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 KB5005652.
Overview
8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
CVSS Vector
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
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 8.2
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
53 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 Version 1809 for 32-bit Systems | 5005030 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5005030 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 5005030 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 | 5005030 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 (Server Core installation) | 5005030 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1909 for 32-bit Systems | 5005031 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1909 for x64-based Systems | 5005031 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1909 for ARM64-based Systems | 5005031 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for x64-based Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for ARM64-based Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for 32-bit Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 2004 for 32-bit Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 2004 for ARM64-based Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 2004 for x64-based Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 2004 (Server Core installation) | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server, version 20H2 (Server Core Installation) | 5005033 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for 32-bit Systems | 5005040 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 5005040 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5005043 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5005043 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 | 5005043 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 5005043 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 5005088 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 5005088 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5005088 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 5005088 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 5005089 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 5005089 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5005089 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 5005089 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 5005076 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 5005076 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 5005076 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 (Server Core installation) | 5005076 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 5005106 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 5005106 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 5005106 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 R2 (Server Core installation) | 5005106 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows RT 8.1 | 5005076 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 5005090 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 5005090 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 5005090 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 5005090 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 5005095 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 5005095 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 5005095 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 5005095 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 | 5005099 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 (Server Core installation) | 5005099 (Monthly Rollup) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 | 5005094 (Security Only) |
Important | Remote Code Execution | Yes |
| Windows Server 2012 (Server Core installation) | 5005094 (Security Only) |
Important | Remote Code Execution | Yes |
Patches
13 patches
| Article | Type | Restart |
|---|---|---|
5005030 |
Security Update | Yes |
5005031 |
Security Update | Yes |
5005033 |
Security Update | Yes |
5005040 |
Security Update | Yes |
5005043 |
Security Update | Yes |
5005088 |
Monthly Rollup | Yes |
5005089 |
Security Only | Yes |
5005076 |
Monthly Rollup | Yes |
5005106 |
Security Only | Yes |
5005090 |
Monthly Rollup | Yes |
5005095 |
Security Only | Yes |
5005099 |
Monthly Rollup | Yes |
5005094 |
Security Only | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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