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CVE-2026-45484

8.8 HIGH

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network

Published: 2026-06-09 · Last updated: 2026-06-09

Severity and scoring

CVSS
8.8 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-502

Description

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

Source: NVD

References

Related CVEs

Same CWE

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  • CVE-2026-40993 — An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2_asserting_party_metadata)... (7.3 HIGH)
  • CVE-2026-44963 — A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user
  • CVE-2026-48560 — Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized ... (5.4 MEDIUM)