CVE-2021-34481CWE-269privilege-escalation

CVE-2021-34481

High · published July 17, 2021

CVSS v3.1
8.8
EPSS
48%
Percentile
98.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.47717 · 98.8th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2021-07-17T01:15Z
Affected products (16)
ProductVersionsFixed in
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_10all versions—
microsoft/windows_7all versions—
microsoft/windows_8.1all versions—
microsoft/windows_rt_8.1all versions—
microsoft/windows_server_2008all versions—
microsoft/windows_server_2008all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2016all versions—
microsoft/windows_server_2019all versions—
References (2)
EPSS history
Timeline
  • 16 JUL 20:19Z
    Windows Print Spooler Remote Code Execution Vulnerability
    cvelistv5