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CVE-2026-58644

CWE-502

Critical

102.4

RPS

Description

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

Source: NVD

Signals

CVSS
9.8
Critical · v3.1
EPSS
15.87%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Jul 2026
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-502
Published
14 Jul 2026
Last modified 17 Jul 2026

How to read these signals: RPS · EPSS · CISA KEV · Data sources

Get this score from the API

curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
  https://api.intelligence.devsecure.io/api/v1/rps/CVE-2026-58644

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2026-58644 · RPS 102.4 · DevSecure Intelligence