Vulnerability fixed in Microsoft Exchange

Microsoft has fixed a vulnerability in Microsoft Exchange Server hybrid deployments. The vulnerability allows a user with administrative privileges on an on-premises Microsoft Exchange server to elevate privileges to the cloud. Microsoft has released a Hot Fix to fix the vulnerability. See attach...

Security Updates for Microsoft Exchange Server (April 2025)

The Microsoft Exchange Server installed on the remote host is missing a security update. It is, therefore, affected by a vulnerability as referenced in the April 2025 security bulletin. - Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability CVE-2025-53786 Note that...

The Thinbus Javascript Secure Remote Password (SRP) Client Generates Fewer Bits of Entropy Than Intended

Impact A protocol compliance bug in thinbus-srp-npm versions prior to 2.0.1 causes the client to generate a fixed 252 bits of entropy instead of the intended bit length of the safe prime defaulted to 2048 bits. RFC 5054 states in section 2.5.4 Client Key Exchange The client key exchange message...

CVE-2025-53786

On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identifi...

CVE-2025-53786

On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identifi...

CVE-2025-53786 Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability

...

CVE-2025-53786 Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability

...

CVE-2025-53786

CVE-2025-53786 is a high-severity issue affecting on-premises Microsoft Exchange Server in hybrid deployments. The connected documents confirm a privilege-escalation path tied to Exchange Hybrid configurations that can impact Exchange Online identity integrity. Remediation/mitigation relies on in...

Duplicate Advisory: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2x5j-vhc8-9cwm. This link is maintained to preserve external references. Original Description A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to...

GHSA-522R-9946-FW43 Duplicate Advisory: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2x5j-vhc8-9cwm. This link is maintained to preserve external references. Original Description A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to...

CVE-2025-8556

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange...

CVE-2025-8556

CVE-2025-8556 affects CIRCL’s FourQ elliptic-curve implementation used in session Diffie-Hellman. The issue permits low-order point injection and incorrect point validation, weakening Diffie-Hellman key exchange and session security. Public details document a CVSS v3.1 base score of 3.7 (Low) wit...

CVE-2025-8556 Github.com/cloudflare/circl: circl-fourq: missing and wrong validation can lead to incorrect results

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange...

CVE-2025-8556

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange. Mitigation Mitigation for this issue is either not availabl...

Microsoft Exchange Server 授权问题漏洞

Microsoft Exchange Server is a set of e-mail service programs from Microsoft. It provides email access, storage, forwarding, voicemail, email filtering and screening, and other features. An authorization issue vulnerability exists in Microsoft Exchange Server, which stems from a mixed deployment...

KLA86361 PE vulnerability in Microsoft Server Software

An elevation of privilege vulnerability was found in Microsoft Server Software. Malicious users can exploit this vulnerability to execute arbitrary code, gain privileges. Original advisories CVE-2025-53786 Related products Microsoft-Exchange-Server CVE list CVE-2025-53786 critical KB list 5050674...

(0Day) Microsoft Exchange PowerShell Exposed Dangerous Method NTLM Relay Vulnerability

This vulnerability allows remote attackers to relay NTLM credentials on affected installations of Microsoft Exchange. Authentication is required to exploit this vulnerability. The specific flaw exists within the PowerShell backend. The issue results from an exposed dangerous method. An attacker c...

CVE-2013-10065

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a...

CVE-2013-10065 Sysax Multi-Server <= 6.10 SSHD Key Exchange DoS

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a...

CVE-2013-10065 Sysax Multi-Server <= 6.10 SSHD Key Exchange DoS

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a...