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CVE-2018-8161

33
FAUCET Score

CVE-2018-8161 is a remote code execution vulnerability in Microsoft Office software, including Word and SharePoint, stemming from improper memory object handling. With a CVSS score of 7.8 (High), it requires user interaction (e.g., opening a malicious document) but can lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation is confirmed, its high FAUCET Risk Score and mention in a Patch Tuesday article indicate its significance.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
20.30%
Probability of exploitation in next 30 days
EPSS Percentile
97.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2030 is in the 97th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (17)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 9432-10495
View patch
microsoftpatch availablevia msrc
Product: 9432-10607
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Enterprise Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2016 (32-bit edition)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2016 (64-bit edition)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2010 Service Pack 2 (32-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2010 Service Pack 2 (64-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office Web Apps 2010 Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office Web Apps Server 2013 Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2010 Service Pack 2 (32-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2010 Service Pack 2 (64-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2013 RT Service Pack 1
microsoftpatch availablevia msrc
Product: Microsoft Word 2013 Service Pack 1 (32-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2013 Service Pack 1 (64-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1
View patch

Vendor Advisories (1)

microsoft2018-May/CVE-2018-8161Important

Microsoft Office Remote Code Execution Vulnerability

May 8, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8161
PatchVendor Advisory
securityfocus.com / bid/104052
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040853
Third Party AdvisoryVDB Entry