Security News > 2021 > July > The PrintNightmare continues: Microsoft confirms presence of vulnerable code in all versions of Windows
Microsoft has assigned CVE-2021-34527 to the print spooler remote code execution vulnerability known as "PrintNightmare" and confirmed that the offending code is lurking in all versions of Windows.
The Windows giant also confirmed that the PrintNightmare vulnerability was being exploited in the wild.
"PrintNightmare" is well named, since it permits an attacker to run arbitrary code with SYSTEM privileges.
Mitigations suggested so far have included shutting down the Windows Print Spooler service on domain controllers not used for printing or yanking users from a pre-Windows 2000 legacy group.
Microsoft's own workarounds start with disabling the Print Spooler service and end with disabling inbound remote printing through group policy.
The former stops all printing, while the latter will at least allow local printing even if print server duties are left broken.
News URL
https://go.theregister.com/feed/www.theregister.com/2021/07/02/printnightmare_cve/
Related news
- Researchers Uncover OS Downgrade Vulnerability Targeting Microsoft Windows Kernel (source)
- Microsoft fixes Windows 10 bug causing apps to stop working (source)
- Microsoft wants $30 if you want to delay Windows 11 switch (source)
- Microsoft delays Windows Recall again, now by December (source)
- Microsoft Delays Windows Copilot+ Recall Release Over Privacy Concerns (source)
- Week in review: Windows Themes spoofing bug “returns”, employees phished via Microsoft Teams (source)
- Microsoft confirms Windows Server 2025 blue screen, install issues (source)
- Microsoft Notepad to get AI-powered rewriting tool on Windows 11 (source)
- Microsoft says recent Windows 11 updates break SSH connections (source)
- Microsoft blames Windows Server 2025 automatic upgrades on 3rd-party tools (source)
Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-07-02 | CVE-2021-34527 | Improper Privilege Management vulnerability in Microsoft products <p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. | 0.0 |