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CVE-2018-0793

34
FAUCET Score

CVE-2018-0793 is a remote code execution vulnerability affecting Microsoft Outlook 2007, 2010, and 2013, stemming from how email messages are parsed. This high-severity vulnerability (CVSS 7.8) can lead to complete compromise of confidentiality, integrity, and availability, requiring user interaction (e.g., opening a malicious email) for exploitation. While no public exploit code or active exploitation has been confirmed, its high FAUCET Risk Score of 95/100 and mention in security news indicate significant potential risk and community awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os_x:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2016:c2r:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
2007CPE matchmatch criteria
cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*

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
20.57%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2057 is in the 98th 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 (14)

microsoftpatch availablevia nvd_reference
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 2016 for Mac
View patch
microsoftpatch availablevia msrc
Product: Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions
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 Compatibility Pack Service Pack 3
View patch
microsoftpatch availablevia msrc
Product: Microsoft Word 2007 Service Pack 3
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

Vendor Advisories (1)

microsoft2018-Jan/CVE-2018-0793Important

Microsoft Office Remote Code Execution Vulnerability

Jan 9, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-0793
PatchVendor Advisory
securityfocus.com / bid/102375
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040154
Third Party AdvisoryVDB Entry