SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-0101

Microsoft Windows Transaction Manager Privilege Escalation Vulnerability

KEVHIGH 7.8EPSS 57.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The kernel-mode drivers in Transaction Manager in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Windows Elevation of Privilege Vulnerability."

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
57.48% probability · 99th percentile
CISA KEV
Listed 15 March 2022 · due 5 April 2022 · used in ransomware campaigns
Weakness
CWE-119
Affected
microsoft/windows 7 · microsoft/windows server 2008 · microsoft/windows vista
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0101

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.