Microsoft Outlook Remote Code Execution Vulnerability
CVE-2024-30103
HIGHNVD 8.88.8—Elevated
EchelonGraph scoreMEDIUM confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2024-06-11. NVD baseline CVSS 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 8.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 87.6%
- KEV
- Not listed
Published
June 11, 2024
Last Modified
May 19, 2026
Advisory Details (1)
Auto-updated May 19, 2026Patch available. Sources: microsoft.
microsoft Patch Available
Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30103Frequently asked(5)
What is CVE-2024-30103?
CVE-2024-30103 is a high vulnerability published on June 11, 2024. Microsoft Outlook Remote Code Execution Vulnerability
When was CVE-2024-30103 disclosed?
CVE-2024-30103 was first published in the National Vulnerability Database on June 11, 2024, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-30103 actively exploited?
CVE-2024-30103 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-30103?
CVE-2024-30103 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2024-30103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-30103, 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
Explore the affected products and dependency analysis for CVE-2024-30103
Is Your Infrastructure Affected by CVE-2024-30103?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.