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CVE-2018-1027

28
FAUCET Score

CVE-2018-1027 is a remote code execution vulnerability in Microsoft Excel and Microsoft Office Compatibility Pack, stemming from improper handling of objects in memory. This vulnerability carries a high severity CVSS score of 7.8, indicating a high potential for impact (confidentiality, integrity, availability) with low attack complexity, requiring user interaction (e.g., opening a malicious file) to exploit. While it has a high FAUCET Risk Score of 96/100 and above-average community discussion and media coverage, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
2007CPE matchmatch criteria
cpe:2.3:a:microsoft:excel:2007:*:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:excel:2010:*:*:*:*:*:*:*
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:excel:2013:*:*:*:*:*:*:*
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
19.17%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.1917 is in the 97th percentile among its peer group of 11,616 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (8)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Excel 2007 Service Pack 3
View patch
microsoftpatch availablevia msrc
Product: Microsoft Excel 2010 Service Pack 2 (32-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Excel 2010 Service Pack 2 (64-bit editions)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Excel 2013 RT Service Pack 1
microsoftpatch availablevia msrc
Product: Microsoft Excel 2013 Service Pack 1 (32-bit editions)
microsoftpatch availablevia msrc
Product: Microsoft Excel 2013 Service Pack 1 (64-bit editions)
microsoftpatch availablevia msrc
Product: Microsoft Office Compatibility Pack Service Pack 3
View patch

Vendor Advisories (1)

microsoft2018-Apr/CVE-2018-1027Important

Microsoft Excel Remote Code Execution Vulnerability

Apr 10, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-1027
PatchVendor Advisory
securityfocus.com / bid/103616
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040652
Third Party AdvisoryVDB Entry