CVE-2020-1154
Windows Common Log File System Driver Elevation of Privilege Vulnerability
HIGH
7.8
CVSS Score
Published: May 21, 2020 at 10:53 PM UTC
Updated: August 19, 2026 at 05:35 PM UTC
18 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
HIGH7.8
Exploit prediction
EPSS 1.0%
Description
An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.10240.0 ≤ v < publication10.0.10240.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < publication10.0.14393.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < publication6.3.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
All versions
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
PatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1154Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1154CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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