CVE-2026-26112CWE-822

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

Untrusted pointer dereference 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-822 · Untrusted Pointer Dereference
Published: 2026-03-10T17:05Z

EPSS history

Timeline

10 MAR 17:05Z
Microsoft Excel Remote Code Execution Vulnerability
cvelistv5