CVE-2026-88198

HighCVSS 8.8/10Last modified Oct 14, 2026

Description

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 14, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-882008.8Privilege context switching error in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.CVE-2026-882016.5Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-882028.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-882036.5Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.CVE-2026-882047.3Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attCVE-2026-882067.5Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.CVE-2026-882077.5Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-882084.6Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attCVE-2026-882094.6Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attCVE-2026-88217.1Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate channel member-management perCVE-2026-882107.8Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature loCVE-2026-882198.8Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to execute code over a network.