CVE-2026-69804

HIGH
MEDIUM Priority: 0.04 BB Relevance: 55/100
Published: 2026-09-08 Modified: 2026-10-31 First seen: 2026-10-30 Status: active

Attack Surface

Network No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Time-of-check time-of-use (toctou) race condition in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected Software (2)

VendorProductVersion
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 < 16.0.20326.20090
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 < 16.0.20326.20090

References & Advisories (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.51%
Raw Score 0.005090
Percentile 43.4%
Date 2026-11-02

EPSS Trend

2026-11-02
0.00509
2026-11-01
0.00509
2026-10-31
0.00509
2026-10-30
0.00509

Intelligence Sources

mitre ref →