CVE-2023-21715
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
7.3
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
12.0%
95.9th percentile
CISA KEV
Listed
Added 2023-02-14 · patch by 2023-03-07
Weakness / dates
CWE-863
Published 2023-02-14 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2023-02-14 — Published (NVD)
- 2023-02-14 — Added to CISA KEV (actively exploited)
- 2023-03-07 — CISA patch-by deadline
- 2026-08-19 — Last modified (NVD)
Description
Microsoft Publisher Security Feature Bypass Vulnerability