A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
Apply updates per vendor instructions.
This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server 2013 | Cumulative Update 23 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 3 | unspecified |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 14 | unspecified |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 15 | unspecified |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 4 | unspecified |
| Microsoft | Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30 | unspecified |
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection: