CVE-2026-26114

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

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

3.03% chance of exploitation in the next 30 days, 87th percentile

Published

2026-03-10

Updated

2026-06-19

Proof-of-concept exploits (1)

• huynambka/cve-2026-26114-poc23★ · 2026-07-06

References

• CVE Record
• NVD entry

Related

• CVE-2026-26111
• CVE-2026-26119
• CVE-2026-26056
• CVE-2026-26128
• CVE-2026-26055
• CVE-2026-2614