What is CVE-2016-0021?

CVE-2016-0021 is a high-severity vulnerability in Microsoft Infopath, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-03-09.

How severe is CVE-2016-0021?

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

Buffer overflow in Microsoft Infopath

CVE-2016-0021

Microsoft InfoPath 2007 SP3, 2010 SP2, and 2013 SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Vulnerability class: Buffer Overflow

Published 2016-03-09 · 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: 0.239 (97.8th percentile), scored 2026-10-18.

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: 0.245 · newest: 0.239 · change: -0.006

Affected products

Microsoft Infopath — versions 2007, 2010, 2013

Weakness classification (CWE)

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

References

www.securitytracker.com/id/1035207 (vdb-entry)
www.securityfocus.com/bid/84024 (vdb-entry)
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-029 (vendor-advisory)

Frequently asked questions

What is CVE-2016-0021?: CVE-2016-0021 is a high-severity vulnerability in Microsoft Infopath, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-03-09.
How severe is CVE-2016-0021?: High severity. CVSS v3 base score is 7.8 out of 10.