CVE-2021-1675 Microsoft Windows Print Spooler Remote Code Execution
Attackers can execute arbitrary code with elevated privileges via the Windows Print Spooler service.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-1675?
CVE-2021-1675 is a high-severity code injection vulnerability in Microsoft Windows 10 1507, published on 8 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Windows Print Spooler Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-1675?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 1909, Microsoft Windows 10 2004, Microsoft Windows 10 20h2 and 9 more.
How do I fix CVE-2021-1675?
No fix has been published for CVE-2021-1675 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Nov 2021.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-1675 being exploited?
Yes. Attackers have exploited CVE-2021-1675 in the wild since at least 3 Nov 2021, including in ransomware campaigns.
Public exploit code: 1 Metasploit module and 48 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-vwmm-qq95-vqhf.