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CVE-2026-62913 Details

Description

Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62913	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
microsoft exchange server	2016 - 2016 cumulative_update_1 2016 cumulative_update_10 2016 cumulative_update_11 2016 cumulative_update_12
CPE cpe:2.3:a:microsoft:exchange_server:2016:-:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_1:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_2:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_3:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_4:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_5:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_6:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:::::: cpe:2.3:a:microsoft:exchange_server:2019:-:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_12:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_13:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:::::: Remediation No remediation found in references.
microsoft exchange server subscription edition	< 15.02.2562.046
CPE cpe:2.3:a:microsoft:exchange_server_subscription_edition:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Aug 14, 2026	Initial Analysis	[email protected]
Aug 12, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	New CVE Received	[email protected]