HIGH

CVE-2021-34481

CVSS v3

8.8

HIGH

EPSS Score

30.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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>

Technical details

Published
7/16/2021

Frequently asked questions

What is CVE-2021-34481?

<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>

Is CVE-2021-34481 actively exploited?

Active exploitation of CVE-2021-34481 has not been confirmed. The EPSS score is 30.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-34481?

CVE-2021-34481 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-34481 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.