CVE-2018-8375

Excel vulnerability

CVSS

7.8

EPSS

16.2%

EPSS pct

97th

Exploited

No known

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8379.

Affected vendor

Microsoft

Affected product

Excel

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

2018-08-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 16.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2018-8375

Confirm whether Microsoft Excel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-8375.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8375

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8375 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2018-8375?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2018-8375.

Start free scan

No credit card. Agentless.

Related vulnerabilities

Office Viewer Ocx vulnerability

HIGH

CVE-2007-2522

Antispyware For The Enterprise vulnerability