Patch Forecast
Amber warning
Patch this week.

CVE-2026-70298

Microsoft Sharepoint Server: path traversal can lead to information disclosure

Risk score
62/100
CVSS
6.5 v3.1
Exploit chance (30 days)
1.1%
Published
13 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Affected
Microsoft Sharepoint Server
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Story map

Story map: Microsoft Sharepoint ServerTHE FLAWSTHE FIXCVE-2026-70298Path traversal can lead toinformation disclosureCVSS 6.5 · EPSS 1%CVE-2026-85900Unsafe deserialisationCVSS 8.8 · EPSS 2%CVE-2026-69943Path traversalCVSS 8.8 · EPSS 1%CVE-2026-70266SQL injectionCVSS 8.8 · EPSS 1%FixApply the vendor's securityupdate; see the linked advisory.Who is exposedMicrosoft Sharepoint ServerAMBER · PATCH THIS WEEKMicrosoftSharepoint ServerDeserialization of untrusteddata in Microsoft OfficeSharePoint allows an authorizedattacker to execute code over anetwork.Where it standsNo known exploitationCONNECTS TOSame weaknessPath traversal (CWE-22)398 other warnings in 30 days →Same productEarlier Microsoft Sharepoint Server warnings33 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Microsoft Sharepoint Server: Amber, patch this week. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

The flaws

The fix

Fix: Apply the vendor's security update; see the linked advisory.

Who is exposed: Microsoft Sharepoint Server

Where it stands

  • No known exploitation

Connects to

Why it is Amber

  • CVSS 6.5 medium
  • On your watchlist: sharepoint

References

Original description

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Last activity 13 Oct 2026. Patch Forecast updates every hour.