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ReviewHigh

CVE-2020-1061

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

A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data;...

CVSS
7.5
EPSS
3.27%
87.5% 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 probability3.27%
Technical severityCVSS 7.5

Vulnerability overview

A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data;...

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:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-787