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ReviewHigh

CVE-2020-1087

Microsoft Windows 10 Version 1709, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1803

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Kernel properly handles objects in memory.

CVSS
7.8
EPSS
0.81%
54.6% 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 probability0.81%
Technical severityCVSS 7.8

Vulnerability overview

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Kernel properly handles objects in memory.

Affected product and versions

Product
Microsoft Windows 10 Version 1709, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1803
Affected versions
>= 10.0.0 < publication, >= 10.0.17763.0 < publication, 1709, 1803, 1809, 1903, 1909
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 1709, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1803 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