What is CVE-2017-0197?

CVE-2017-0197 is a high-severity vulnerability in Microsoft Onenote, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-04-12.

How severe is CVE-2017-0197?

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

Improper input validation in Microsoft Onenote

CVE-2017-0197

Microsoft OneNote 2007 SP3 and Microsoft OneNote 2010 SP2 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office DLL Loading Vulnerability."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.191 (97.3th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.191 · newest: 0.191 · change: 0.000

Affected products

Microsoft Onenote — versions 2007, 2010
Microsoft Corporation Office — versions OneNote 2007 SP3 and Microsoft OneNote 2010 SP2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/97411 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1038241 (vdb-entry)
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0197 (Patch, Vendor Advisory)
twitter.com/buffaloverflow/status/852937040480149505 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-0197?: CVE-2017-0197 is a high-severity vulnerability in Microsoft Onenote, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-04-12.
How severe is CVE-2017-0197?: High severity. CVSS v3 base score is 7.8 out of 10.