Authenticated information disclosure via path traversal
Published Oct 13, 2026 · Updated Oct 13, 2026
Path traversal in Microsoft SharePoint Server Subscription Edition allows remote authenticated users to disclose information over a network. The retrieved CNA record identifies pathname confinement failure but does not name the affected component, request parameter, or disclosed information; its referenced vendor advisory was inaccessible. Exploitation requires authorized access, with no reported ability to modify data or interrupt service.
Summary
What happened
Path traversal in Microsoft SharePoint Server Subscription Edition allows remote authenticated users to disclose information over a network. The retrieved CNA record identifies pathname confinement failure but does not name the affected component, request parameter, or disclosed information; its referenced vendor advisory was inaccessible. Exploitation requires authorized access, with no reported ability to modify data or interrupt service.
The record
- CVE
- CVE-2026-70298
- Published
- Oct 13, 2026
- Updated
- Oct 13, 2026
- Vendor
- Microsoft Corporation
- Product
- Microsoft SharePoint Server Subscription Edition
- Classifications
- CWE-22
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 13, 2026CVE publishedPublication date reported by the CVE source.
- Oct 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=16.0.0 <16.0.20326.20190
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Activity data is delayed. The latest report is Sep 28, 2026.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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