CVE-2026-50678CWE-122
Microsoft Excel Information Disclosure Vulnerability
Medium · published July 14, 2026
What it is
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
The record
Technical detail
- CVSS v3.1
- 6.6 · MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C
- CVSS v4.0
- Not supplied
- EPSS
- 0.00472 · 40.0th percentile
- Weakness
- CWE-122 · Heap-based Buffer Overflow
- Published
- 2026-07-14T17:05Z
EPSS history
Timeline