CVE-2026-44818
Medium
Elevated severity or exploit probability.
CVSS base
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
18.5th percentile
CISA KEV
Not listed
Weakness / dates
CWE-362
Published 2026-06-09 · modified 2026-07-23
CVSS breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | H | High |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-06-09 — Published (NVD)
- 2026-07-23 — Last modified (NVD)
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.