HomeMicrosoftCVE-2026-20946

CVE-2026-20946

HIGH
7.8CVSS
Published: 2026-01-13
Updated: 2026-01-14
AI Analysis

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVSS Metrics

Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
local
Complexity
low
Privileges
none
User Action
required
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-125

Metadata

Primary Vendor
MICROSOFT
Published
1/13/2026
Last Modified
1/14/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

Microsoft : Undergoing Analysis

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