CVE-2023-21529CISA KEVEPSS p99.1%
CVE-2023-21529CVE-2023-21529
microsoft / exchange_server
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Scoring
| CVSS | 8.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 62.10% probability of exploitation · percentile 99.1% · 2026-06-18T12:00:27Z |
| Last modified | 2026-06-17 |
CISA KEV entry
Added to KEV: 2026-04-13
(incoming)1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| KEVEntry | Microsoft Exchange Server Deserialization of Untrusted Data Vulnerabilitykev-cve-2023-21529 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.