CVE-2025-25005 — Improper Input Validation in Microsoft Exchange Server 2016 Cumulative Update 23

CWE-20 — Improper Input Validation4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 45.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Microsoft Exchange Server 2016 Cumulative Update 23Microsoft Exchange Server 2019 Cumulative Update 14Microsoft Exchange Server 2019 Cumulative Update 15+2 more
Timeline
PublishedAug 12

Description

Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶NVDmicrosoft/exchange_server< 15.02.2562.020+2
▶CVEListV5microsoft/microsoft_exchange_server_subscription_edition_rtm15.02.0.0 — 15.02.2562.020

🔴Vulnerability Details

2
GHSA
GHSA-q3j7-h2p2-782p: Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network↗2025-08-12
▶
CVEList
Microsoft Exchange Server Tampering Vulnerability↗2025-08-12
▶

📋Vendor Advisories

1
Microsoft
Microsoft Exchange Server Tampering Vulnerability↗2025-08-12
▶
CVE-2025-25005 — Improper Input Validation in Microsoft | cvebase