9.3

CVE-2018-0851: microsoft corporation microsoft office Out-of-bounds Write

CVSS: 9.3v2.0HighModified
Published 15-02-2018Last modified 15-10-2026

Vulnerability summary

CVE-2018-0851 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in microsoft corporation microsoft office. EPSS estimates a 19.11% chance of exploitation in the next 30 days, higher than 97.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
19.11%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-02-2018
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

Microsoft Office 2007 SP2, Microsoft Office Word Viewer, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R) allow a remote code execution vulnerability, due to how Office handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0852.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

19.11%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 19.11% on 18-09-2026

18-09-202618-10-2026
EPSS score
19.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft3 products
Microsoft corporation1 product
  • microsoft officeMicrosoft Office 2007 SP2, Microsoft Office Word Viewer, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R).

2 vendors · 4 products

References

3 links