Is CVE-2018-8627 in the CISA KEV catalog?

No. CVE-2018-8627 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-8627?

CVE-2018-8627 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-8627?

CVE-2018-8627 has an EPSS score of 8.66% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2018-8627?

No published fix for CVE-2018-8627 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2018-8627

MEDIUMEPSS 94th pctl

5.5

CVSS v3

NVD

Description

An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8598.

CWE-908

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

8.66%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.