CVE-2023-26986

HIGHNVD 7.87.8—Elevated

7.8

An issue in China Mobile OA Mailbox PC v2.9.23 allows remote attackers to execute arbitrary commands on a victim host via user interaction with a crafted EML file sent to their OA mailbox.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 39.3%
KEV: Not listed

Published

April 10, 2023

Last Modified

February 11, 2025

References (4)

cve@mitrehttps://gist.github.com/YZLCQX/0da0a438292a5479470c52dad8210462
cve@mitrehttps://github.com/YZLCQX/Mailbox-remote-command-execution
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/YZLCQX/0da0a438292a5479470c52dad8210462
af854a3a-2127-422b-91ae-364da2661108https://github.com/YZLCQX/Mailbox-remote-command-execution

Data Freshness Timeline

(refreshed 14× in last 7d / 56× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-08 14:15 UTCEPSS rescore
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2026-05-25 03:28 UTCEG score recompute
2026-05-25 03:28 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-26986?

CVE-2023-26986 is a high vulnerability published on April 10, 2023. An issue in China Mobile OA Mailbox PC v2.9.23 allows remote attackers to execute arbitrary commands on a victim host via user interaction with a crafted EML file sent to their OA mailbox.

When was CVE-2023-26986 disclosed?

CVE-2023-26986 was first published in the National Vulnerability Database on April 10, 2023, with the most recent update on February 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26986 actively exploited?

CVE-2023-26986 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26986?

CVE-2023-26986 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-26986?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26986, 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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CVE-2023-26986

📅 Published

🔄 Last Modified

🔗 References (4)