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CVE-2017-8630

36
FAUCET Score

CVE-2017-8630 is a remote code execution vulnerability affecting Microsoft Office 2016, stemming from improper handling of objects in memory. This high-severity vulnerability (CVSS 7.8) can be exploited through user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability on an affected system. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness. It is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*

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
20.26%
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 0.2026 is in the 97th percentile among its peer group of 11,617 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 (3)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2016 (32-bit edition)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2016 (64-bit edition)
View patch

Vendor Advisories (1)

microsoft2017-Sep/CVE-2017-8630Important

Microsoft Office Remote Code Execution Vulnerability

Sep 12, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-8630
PatchVendor Advisory
securityfocus.com / bid/100732
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039315
Third Party AdvisoryVDB Entry