CVE-2021-34481

HIGH EXPLOITED RANSOMWARE

Microsoft Windows 10 - Improper Privilege Management

Title source: rule

Description

<p>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.</p> <p><strong>UPDATE</strong> 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 <a href="https://support.microsoft.com/help/5005652">KB5005652</a>.</p>

Exploits (1)

nomisec SCANNER 2 stars
by vpn28 · poc
https://github.com/vpn28/CVE-2021-34481

Scores

CVSS v3 8.8
EPSS 0.2200
EPSS Percentile 95.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2022-11-30
Ransomware Use Confirmed
CWE
CWE-269
Status published
Products (16)
microsoft/windows_10
microsoft/windows_10 20h2
microsoft/windows_10 21h1
microsoft/windows_10 1607
microsoft/windows_10 1809
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
... and 6 more
Published Jul 16, 2021
Tracked Since Feb 18, 2026