An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8627.
CVE-2018-8598
MEDIUMNVD 4.74.7—
EchelonGraph scoreMEDIUM confidence
Score 4.7 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 4.7; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 6%CVSS: 4.7Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.7
- EG Score
- 4.7(medium)
- EPSS
- 92.7%
- KEV
- Not listed
Published
December 12, 2018
Last Modified
November 21, 2024
References (4)
- secure@microsofthttp://www.securityfocus.com/bid/106102
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8598
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106102
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8598
Frequently asked(5)
What is CVE-2018-8598?
CVE-2018-8598 is a medium vulnerability published on December 12, 2018. An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8627.
When was CVE-2018-8598 disclosed?
CVE-2018-8598 was first published in the National Vulnerability Database on December 12, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-8598 actively exploited?
CVE-2018-8598 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-8598?
CVE-2018-8598 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2018-8598?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8598, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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