Published: 08/08/2023 Updated: 11/08/2023

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 0

This vulnerability allows remote malicious users to create a denial-of-service condition or relay NTLM credentials on affected installations of Microsoft Exchange. Authentication is required to exploit this vulnerability. The specific flaw exists within the lack of protection against deserialization of the GsmWriter class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system or to relay NTLM credentials.

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Microsoft, Intel lead this month's security fix emissions

The Register

Topics Security Off-Prem On-Prem Software Offbeat Special Features Vendor Voice Vendor Voice Resources Downfall processor leaks, Teams holes, VPN clients at risk, and more

Patch Tuesday Microsoft's August patch party seems almost boring compared to the other security fires it's been putting out lately. Of the almost 90 flaws addressed today, two are listed as being under active exploitation. Redmond deemed six of the August CVE-tagged bugs as critical, though we note there are 26 vulnerabilities that can lead to remote code execution (RCE). One of the two that miscreants have already found and exploited doesn't yet have a patch. The advisory for that flaw, ADV2300...

CVE-2023-38181

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