CVE-2026-48580CWE-822

Microsoft Excel Information Disclosure Vulnerability

Medium · published July 14, 2026

CVSS v3.1
5.5
EPSS
1%
Percentile
44.7
In the wild
Unconfirmed
What it is

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00541 · 44.7th percentile
Weakness
CWE-822 · Untrusted Pointer Dereference
Published
2026-07-14T17:08Z
EPSS history
Timeline
  • 14 JUL 17:08Z
    Microsoft Excel Information Disclosure Vulnerability
    cvelistv5