CVE-2021-36947
published 2021-08-12CVE-2021-36947: Windows Print Spooler Remote Code Execution Vulnerability
PriorityP261high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
7.00%
93.4th percentile
Windows Print Spooler Remote Code Execution Vulnerability
Affected
45 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.0 < 10.0.10240.19022 | 10.0.10240.19022 |
| microsoft | windows_10_version_1607 | >= 10.0.0 < 10.0.14393.4583 | 10.0.14393.4583 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2114 | 10.0.17763.2114 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1734 | 10.0.18363.1734 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1165 | 10.0.19041.1165 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1165 | 10.0.19042.1165 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1165 | 10.0.19043.1165 |
| microsoft | windows_7 | >= 6.1.0 < 6.1.7601.25685 | 6.1.7601.25685 |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < 6.1.7601.25685 | 6.1.7601.25685 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20094 | 6.3.9600.20094 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.0.0 < 6.1.7601.25685 | 6.1.7601.25685 |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.0 < 6.1.7601.25685 | 6.1.7601.25685 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.0 < 6.0.6003.21192 | 6.0.6003.21192 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.0 < 6.2.9200.23435 | 6.2.9200.23435 |
| microsoft | windows_server_2012_r2 | >= 6.3.0 < 6.3.9600.20094 | 6.3.9600.20094 |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability affects Windows Print Spooler Components and is rated 'Exploitation More Likely' for both latest and older software releases, making it a priority target for detection of spooler-based RCE attempts. ↗
- →Monitor Windows Print Spooler service (spoolsv.exe) for anomalous remote code execution behavior, such as spawning unexpected child processes or loading unsigned/untrusted DLLs. ↗
- →Component scope is 'Windows Print Spooler Components'; focus detection on spooler-related RPC/named pipe activity and remote printer driver installation attempts. ↗
- ·No public exploit code is confirmed at time of advisory; however, exploitation is assessed as 'More Likely', so defensive posture should be elevated accordingly. ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
vendor_msrc8.8HIGH
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Microsoft
Windows Print Spooler Remote Code Execution Vulnerability
vendor_msrc·2021-08-10·CVSS 8.8
CVE-2021-36947 [HIGH] Windows Print Spooler Remote Code Execution Vulnerability
Windows Print Spooler Remote Code Execution Vulnerability
Windows Print Spooler Components: Windows Print Spooler Components
Microsoft: Microsoft
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely;Older Software Release:Exploitation More Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005030
Reference: https://support.microsoft.com/help/5005030
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005031
Reference: https://support.microsoft.com/help/5005031
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005033
Reference: https://support.microsoft.com/help/5005033
Reference: https://catalog.update.microsoft.com/v7/site
GHSA
GHSA-8xmh-9r43-r5g8: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36947, CVE-2021-36958
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2021-36936 [HIGH] GHSA-8xmh-9r43-r5g8: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36947, CVE-2021-36958
Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36947, CVE-2021-36958.
GHSA
GHSA-37q4-472r-ppmr: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36947
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2021-36958 [HIGH] GHSA-37q4-472r-ppmr: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36947
Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36947.
GHSA
GHSA-7954-w5x3-x4x7: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36958
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2021-36947 [HIGH] GHSA-7954-w5x3-x4x7: Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36958
Windows Print Spooler Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-36936, CVE-2021-36958.
No detection rules found.
No public exploits indexed.
Securelist
IT threat evolution in Q3 2021. PC statistics
blogs_securelist·2021-11-26
IT threat evolution in Q3 2021. PC statistics
Table of Contents
Quarterly figures
Financial threats
Financial threat statistics
Ransomware programs
Quarterly trends and highlights
Attack on Kaseya and the REvil story
The arrival of BlackMatter: DarkSide restored?
Q3 closures
Exploitation of vulnerabilities and new attack methods
Number of new ransomware modifications
Number of users attacked by ransomware Trojans
Geography of ransomware attacks
Top 10 most common families of ransomware Trojans
Miners
Number of new miner modifications
Number of users attacked by miners
Geography of miner attacks
Vulnerable applications used by cybercriminals during cyberattacks
Quarter highlights
Statistics
Attacks on macOS
Geography of threats for macOS
IoT attacks
IoT threat statistics
Attacks via web resources
Countries tha
Securelist
IT threat evolution in Q3 2021. PC statistics
blogs_securelist·2021-11-26
IT threat evolution in Q3 2021. PC statistics
Table of Contents
- Quarterly figures
- Financial threats
- Ransomware programs
- Number of users attacked by ransomware Trojans
- Geography of ransomware attacks
- Top 10 most common families of ransomware Trojans
- Miners
- Vulnerable applications used by cybercriminals during cyberattacks
- Attacks on macOS
- IoT attacks
- Attacks via web resources
- Local threats
Authors
- AMR
- IT threat evolution Q3 2021
- IT threat evolution in Q3 2021. PC statistics
- IT threat evolution in Q3 2021. Mobile statistics
These statistics are based on detection verdicts of Kaspersky products received from users who consented to providing statistical data.
## Quarterly figures
According to Kaspersky Security Network, in Q3 2021:
- Kaspersky solutions blocked 1,098,968,315 attacks from online reso
Tenable
The PrintNightmare Continues: Another Zero-Day in Print Spooler Awaits Patch (CVE-2021-36958)
blogs_tenable·2021-08-19·CVSS 7.8
[HIGH] The PrintNightmare Continues: Another Zero-Day in Print Spooler Awaits Patch (CVE-2021-36958)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Tenable
Microsoft’s August 2021 Patch Tuesday Addresses 44 CVEs (CVE-2021-26424, CVE-2021-36948)
blogs_tenable·2021-08-10·CVSS 9.9
[CRITICAL] Microsoft’s August 2021 Patch Tuesday Addresses 44 CVEs (CVE-2021-26424, CVE-2021-36948)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Qualys
Microsoft and Adobe Patch Tuesday (August 2021) – Microsoft 51 Vulnerabilities with 7 Critical, Adobe 29 Vulnerabilities
blogs_qualys·2021-08-10·CVSS 7.0
CVE-2021-36942 [HIGH] Microsoft and Adobe Patch Tuesday (August 2021) – Microsoft 51 Vulnerabilities with 7 Critical, Adobe 29 Vulnerabilities
## Microsoft Patch Tuesday – August 2021
Microsoft patched 51 vulnerabilities in their August 2021 Patch Tuesday release, and 7 of them are rated as critical severity. Three 0-day vulnerability patches were included in the release.
## Critical Microsoft Vulnerabilities Patched
CVE-2021-36942 – Windows LSA Spoofing Vulnerability
An unauthenticated attacker could call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM. A malicious user can use this attack to take complete control over windows domain Per Microsoft, this vulnerability affects all servers, but domain controllers should be prioritized in terms of applying security updates.
CVE-2021-34481 – Windows Print Spooler Remote Code Execution Vulnerability
A remote cod
Crowdstrike
August 2021 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] August 2021 Patch Tuesday: Updates and Analysis
How CrowdStrike is Accelerating Exposure Evaluation as Adversaries Gain Speed Apr 06, 2026
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Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
Video Highlights the 4 Key Steps to Successful Incident Response Dec 02, 2019
Helping Non-Security Stakeholders Understand AT
Crowdstrike
August 2021 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] August 2021 Patch Tuesday: Updates and Analysis
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
Video Highlights the 4 Key Steps to Successful Incident Response Dec 02, 2019
Helping Non-Security Stakeholders Understand ATT&CK in 10 Minutes or Less [VI
2021-08-12
Published