What is CVE-2017-0101?

CVE-2017-0101 is a high-severity vulnerability in Microsoft Windows 7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-03-17.

How severe is CVE-2017-0101?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2017-0101 known to be exploited?

Yes. CVE-2017-0101 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-15), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.

Buffer overflow in Microsoft Windows 7

CVE-2017-0101

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."

Vulnerability class: Buffer Overflow

Published 2017-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.575 (99.1th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.575 · newest: 0.575 · change: 0.000

Affected products

Microsoft Windows 7
Microsoft Windows Server 2008
Microsoft Windows Vista
Microsoft Corporation Windows — versions 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

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-15. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-05.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

www.exploit-db.com/exploits/44479/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.securityfocus.com/bid/96625 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www.securitytracker.com/id/1038013 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0101 (Patch, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2017-0101?: CVE-2017-0101 is a high-severity vulnerability in Microsoft Windows 7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-03-17.
How severe is CVE-2017-0101?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-0101 known to be exploited?: Yes. CVE-2017-0101 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-15), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.