What is CVE-2017-0003?

CVE-2017-0003 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-01-10.

How severe is CVE-2017-0003?

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

Buffer overflow in Microsoft Sharepoint Enterprise Server

CVE-2017-0003

Microsoft Word 2016 and SharePoint Enterprise Server 2016 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."

Vulnerability class: Buffer Overflow

Published 2017-01-10 · 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: 0.247 (97.8th percentile), scored 2026-10-06.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.247 · newest: 0.247 · change: 0.000

Affected products

Microsoft Sharepoint Enterprise Server — versions 2016
Microsoft Word — versions 2016

Weakness classification (CWE)

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

References

fortiguard.com/advisory/FG-VD-16-079
docs.microsoft.com/en-us/security-updates/securitybulletins/2017/ms17-002 (vendor-advisory)
www.securitytracker.com/id/1037569 (vdb-entry)
www.securityfocus.com/bid/95287 (vdb-entry)
www.securitytracker.com/id/1037568 (vdb-entry)

Frequently asked questions

What is CVE-2017-0003?: CVE-2017-0003 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-01-10.
How severe is CVE-2017-0003?: High severity. CVSS v3 base score is 7.8 out of 10.