CVE-2020-1030
Windows Print Spooler Elevation of Privilege Vulnerability
- Published
- Sep 11, 2020
- Updated
- Aug 4, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Aug 14, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 63.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
<p>An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The update addresses the vulnerability by correcting how the Windows Print Spooler Component writes to the file system.</p>
Sources
1- patch-diffing-in-the-darkResearch
Leveraging patch diffing to discover new vulnerabilities
Responsible use
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