CVE-2021-26435
Medium
Elevated severity or exploit probability.
CVSS base
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
5.3%
92.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2021-09-15 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2021-09-15 — Published (NVD)
- 2026-08-10 — Last modified (NVD)
Description
Windows Scripting Engine Memory Corruption Vulnerability