VDB

CVE-2021-38633

CVE-2021-38633 PUBLISHED CVSS 7.8 HIGH

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Reported by microsoft · Published September 15, 2021

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Risk scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 150710.0.10240.0
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 180910.0.0
MicrosoftWindows 10 Version 190910.0.0
MicrosoftWindows 10 Version 200410.0.0
MicrosoftWindows 10 Version 20H210.0.0
MicrosoftWindows 10 Version 21H110.0.0
MicrosoftWindows 76.1.0
MicrosoftWindows 7 Service Pack 16.1.0
MicrosoftWindows 8.16.3.0
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0

…and 49 more

Timeline

  • Sep 15, 2021 CVE Published
  • Sep 16, 2021 EPSS Score (30 in total, the first dated here)
  • Sep 23, 2021 PoC Published (9 in total, the first dated here)
  • Dec 28, 2023 CVE Updated
  • Apr 4, 2026 Security Advisory (4 in total, the first dated here)
  • Jul 25, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-38633
vulnetix vdb fixes CVE-2021-38633

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-38633/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›