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Fencer Vulns
high 7.4

CVE-2026-105013 json

Microsoft Office SharePoint Remote Code Execution Vulnerability

published 2026-10-13 26 d ago modified 2026-10-31 8 d ago also EUVD-2026-100403

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Patch / fix

  • Microsoft Microsoft SharePoint Server Subscription Edition 16.0.20326.20190

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
26 d ago

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Affected products

  • Microsoft Microsoft SharePoint Server Subscription Edition

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.