CVE-2026-45455CWE-125

Microsoft Excel Information Disclosure Vulnerability

Low · published June 9, 2026

CVSS v3.1
3.3
EPSS
1%
Percentile
54.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00759 · 54.8th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-06-09T17:05Z
EPSS history
Timeline
  • 09 JUN 17:05Z
    Microsoft Excel Information Disclosure Vulnerability
    cvelistv5