Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49712
https://www.helpnetsecurity.com/2025/08/13/microsoft-fixes-badsuccessor-kerberos-vulnerability-cve-2025-53779/
https://www.tenable.com/blog/microsofts-august-2025-patch-tuesday-addresses-107-cves-cve-2025-53779
Source: Mitre, NVD
Published: 2025-08-12
Updated: 2025-08-13
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.0052