What is CVE-2016-7193?

CVE-2016-7193 is a high-severity vulnerability in Microsoft Office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-10-14.

How severe is CVE-2016-7193?

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

Is CVE-2016-7193 known to be exploited?

Yes. CVE-2016-7193 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.

Buffer overflow in Microsoft Office

CVE-2016-7193

Microsoft Word 2007 SP2, Office 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word 2016, Word for Mac 2011, Word 2016 for Mac, Office Compatibility Pack SP3, Word Viewer, Word Automation Services on SharePoint Server 2010 SP2, Word Automation Services on SharePoint Server 2013 SP1, Office Web Apps 2010 SP2, Office Web Apps Server 2013 SP1, and Office Online Server allow remote attackers to execute arbitrary code via a crafted RTF document, aka "Microsoft Office Memory Corruption Vulnerability."

Vulnerability class: Buffer Overflow

Published 2016-10-14 · 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: 0.576 (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: 0.576 · newest: 0.576 · change: 0.000

Affected products

Microsoft Office — versions 2007, 2010, 2016
Microsoft Office Compatibility Pack
Microsoft Word — versions 2010, 2011, 2013
Microsoft Word Viewer

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 2022-03-03. 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: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.securityfocus.com/bid/93372 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-121 (vendor-advisory, Patch, Vendor Advisory)
www.securitytracker.com/id/1036984 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2016-7193?: CVE-2016-7193 is a high-severity vulnerability in Microsoft Office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-10-14.
How severe is CVE-2016-7193?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2016-7193 known to be exploited?: Yes. CVE-2016-7193 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.