⚠ Exploited in the wild
Exploitation observed in the wild. Not yet on CISA KEV.

CVE-2021-43207

CWE-269 — Improper Privilege Management5 documents5 sources
Severity
7.8HIGH
EPSS
0.3%
top 45.10%
CISA KEV
Not in KEV
Exploit
Exploited in wild
Active exploitation observed
Affected products
30
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+27 more
Timeline
PublishedDec 15
Latest updateDec 16

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages30 packages

▶CVEListV5microsoft/windows_76.1.0 — 6.1.7601.25796
▶CVEListV5microsoft/windows_8.16.3.0 — 6.3.9600.20207
▶CVEListV5microsoft/windows_server_20126.2.0 — 6.2.9200.23545+1
▶CVEListV5microsoft/windows_server_201610.0.0 — 10.0.14393.4825
▶CVEListV5microsoft/windows_server_201910.0.0 — 10.0.17763.2366

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-w3v4-69ph-pfjp: Windows Common Log File System Driver Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-43226↗2021-12-16
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CVEList
Windows Common Log File System Driver Elevation of Privilege Vulnerability↗2021-12-15
▶
VulnCheck
Windows Common Log File System Driver Elevation of Privilege Vulnerability↗2021
▶

📋Vendor Advisories

1
Microsoft
Windows Common Log File System Driver Elevation of Privilege Vulnerability↗2021-12-14
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CVE-2021-43207 (HIGH CVSS 7.8) | Windows Common Log File System Driv | cvebase.io