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ReviewHigh

CVE-2020-1070

Microsoft Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1709

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. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application. The update addresses the vulnerability by correcting how the Windows Print Spooler Co...

CVSS
7.8
EPSS
1.11%
63.7% percentile
CISA KEV
Not listed
Published
2020.05.22
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.11%
Technical severityCVSS 7.8

Vulnerability overview

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. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application. The update addresses the vulnerability by correcting how the Windows Print Spooler Co...

Affected product and versions

Product
Microsoft Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1709
Affected versions
>= 10.0.10240.0 < publication, >= 10.0.14393.0 < publication, >= 10.0.0 < publication, >= 10.0.17763.0 < publication, >= 6.1.0 < publication, >= 6.3.0 < publication, >= 6.1.7601.0 < publication, >= 6.0.6003.0 < publication, >= 6.2.9200.0 < publication, >= 6.3.9600.0 < publication, 1607, 1709, 1803, 1809, 1903, 1909, r2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1709 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available