Buffer overflow in Microsoft Excel

CVE-2017-0020

Microsoft Excel 2016, Excel 2010 SP2, Excel 2013 RT SP1, and Office Web Apps Server 2013 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0006, CVE-2017-0019, CVE-2017-0030, CVE-2017-0031, CVE-2017-0052, and CVE-2017-0053.

Vulnerability class: Buffer Overflow

Published · last modified .

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: 0.164 (96.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-0020: held from 0.164 to 0.164.

EPSS over last 30 days · oldest: 0.164 · newest: 0.164 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-0020?
CVE-2017-0020 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 2017-03-17.
How severe is CVE-2017-0020?
High severity. CVSS v3 base score is 7.8 out of 10.