CVE-2023-21529

High · CVSS 8.8EPSS 62.1%CISA KEVCWE-502 · Deserialization of Untrusted Data

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Microsoft Exchange Server Remote Code Execution Vulnerability

NVD only has a brief summary for this one — the community fills in the real-world detail below.

References

Published Feb 14, 2023

Community ground truth

Community verdict

3 verdicts

Not a real issue

to add your verdict.

Community real-world severity: Critical (Critical 3) — CVSS base score 8.8

Practitioners rate this higher than its CVSS — treat with extra caution.

Verdicts are the quick signal — notes are the evidence and fixes behind them.

No notes yet — be the first to share what you saw or a fix that worked.