CVE-2026-26107CWE-416

Microsoft Excel Remote Code Execution Vulnerability

High · published March 10, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
40.8
In the wild
Unconfirmed
What it is

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00485 · 40.8th percentile
Weakness
CWE-416 · Use After Free
Published
2026-03-10T17:05Z
EPSS history
Timeline
  • 10 MAR 17:05Z
    Microsoft Excel Remote Code Execution Vulnerability
    cvelistv5