CVE-2018-8627

high-risk
Published 2018-12-12

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.

Do I need to act?

!
28.6% chance of exploitation in next 30 days
EPSS score — higher than 71% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (12)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/106120
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8627
Third Party Advisory http://www.securityfocus.com/bid/106120
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8627
50
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 15/34 · Moderate
Exposure 17/34 · Moderate