KLA91095 Multiple vulnerabilities in Microsoft Server Software

🗓️ 09 Jun 2026 00:00:00Reported by Kaspersky LabType

kaspersky

kaspersky🔗 threats.kaspersky.com👁 5 Views

Microsoft Exchange Server vulnerabilities allow spoofing, disclosure, escalation, and code.

Reporter	Title	Published	Views	Family All 85
ATTACKERKB	CVE-2026-45501	9 Jun 202617:04	–	attackerkb
ATTACKERKB	CVE-2026-45503	9 Jun 202617:04	–	attackerkb
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers stems from the lack of protective measures for website structures, allowing attackers to carry out spear-phishing attacks.	15 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient validation of requests on the server side, allows attackers to disclose protected information.	17 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Microsoft Exchange Server mail server, related to authentication errors, allows a hacker to disclose protected information.	17 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient validation of requests on the server side, allows attackers to increase their privileges.	17 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Microsoft Exchange Server mail server, related to improper code generation, allows a hacker to execute arbitrary code.	17 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers is related to insufficient protection of the website structure, which allows attackers to carry out spear-phishing attacks.	23 Jun 202600:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Microsoft Exchange Server servers, related to insufficient validation of requests on the server side, allows attackers to perform spoofing attacks.	23 Jun 202600:00	–	bdu_fstec
Circl	CVE-2026-45500	9 Jun 202611:35	–	circl

Source	Link
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45500
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45501
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45502
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45503
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45504
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45583
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47631
threats	www.threats.kaspersky.com/en/class/Exploit/
threats	www.threats.kaspersky.com/en/product/Microsoft-Exchange-Server/
support	www.support.microsoft.com/kb/5094139

02 Jul 2026 00:00Current

6.7Medium risk

Vulners AI Score6.7

CVSS 3.18.1 - 8.8

EPSS0.00475

SSVC

Microsoft Exchange Server Spoofing Information Disclosure Privilege Escalation Code Execution Public Exploits