Description of the security update for Microsoft Exchange Server 2019: August 12, 2025 (KB5063222)

🗓️ 12 Aug 2025 07:00:00Reported by MicrosoftType

Exchange Server 2019 security update Aug 12 2025 fixes tampering spoofing disclosure CVEs; patches eDiscovery export, public folder access, and MSIPC app pools; health checker.

Reporter	Title	Published	Views	Family All 55
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers, related to insufficient validation of input data, allows attackers to gain unauthorized access to protected information.	22 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers stems from improper syntax validation during input processing, allowing attackers to execute spoofing attacks.	22 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers arises from the improper handling of an additional special element, which allows attackers to perform spoofing attacks.	22 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient validation of input data, allows attackers to disclose protected information.	22 Aug 202500:00	–	bdu_fstec
Circl	CVE-2025-25005	12 Aug 202516:01	–	circl
Circl	CVE-2025-25006	12 Aug 202516:01	–	circl
Circl	CVE-2025-25007	12 Aug 202516:01	–	circl
Circl	CVE-2025-33051	12 Aug 202516:01	–	circl
CNNVD	Microsoft Exchange Server 信息泄露漏洞	12 Aug 202500:00	–	cnnvd
CNNVD	Microsoft Exchange Server 输入验证错误漏洞	12 Aug 202500:00	–	cnnvd

12 Aug 2025 07:00Current

6.6Medium risk

Vulners AI Score6.6

CVSS 3.16.5 - 7.5

EPSS0.01315

SSVC