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CVE-2017-0101

Microsoft Windows Transaction Manager Privilege Escalation

7.8 HIGHActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 57.5%
  1. Published16 Mar 2017
  2. Added to CISA KEV15 Mar 2022
  3. Remediation due5 Apr 2022
Actively exploited (CISA KEV)

A privilege escalation vulnerability exists when the Windows Transaction Manager improperly handles objects in memory.

Added to KEV: 15 Mar 2022Federal remediation due: 5 Apr 2022Used in ransomware

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 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 7all versions
Microsoft Windows Server 2008all versions
Microsoft Windows Vistaall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2017-0101 being actively exploited?

Yes. CVE-2017-0101 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 15 Mar 2022. It has been used in ransomware campaigns.

How severe is CVE-2017-0101?

CVE-2017-0101 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 57.5% probability of exploitation.

Which products are affected by CVE-2017-0101?

Affected products include Microsoft Windows 7, Microsoft Windows Server 2008, Microsoft Windows Vista.

How do I fix CVE-2017-0101?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-0101 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.