What is CVE-2016-0035?

CVE-2016-0035 is a high-severity vulnerability in Microsoft Excel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-01-13.

How severe is CVE-2016-0035?

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

Buffer overflow in Microsoft Excel

CVE-2016-0035

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Vulnerability class: Buffer Overflow

Published 2016-01-13 · 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: 0.222 (97.6th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.222 · newest: 0.222 · change: 0.000

Affected products

Microsoft Excel — versions 2007, 2010, 2013
Microsoft Excel For Mac — versions 2011, 2016
Microsoft Excel Viewer
Microsoft Office Compatibility Pack

Weakness classification (CWE)

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

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-004 (vendor-advisory)
www.securitytracker.com/id/1034651 (vdb-entry)
www.zerodayinitiative.com/advisories/ZDI-15-639

Frequently asked questions

What is CVE-2016-0035?: CVE-2016-0035 is a high-severity vulnerability in Microsoft Excel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-01-13.
How severe is CVE-2016-0035?: High severity. CVSS v3 base score is 7.8 out of 10.