CVE-2026-45501

CVE Enrichment

CVSS: 6.1 MEDIUM
EPSS: 0.46%
EPSS Percentile: 37.79%
CISA KEV: Not listed

Description

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 10-Jun-2026 00:17
Last Modified: 29-Jul-2026 06:16
EPSS Date: 2026-10-11
CWE: CWE-918, CWE-79

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:R /
                            S:C /
                            C:L /
                            I:L /
                            A:N

Affected Products / Versions

microsoft / exchange_server
Version / affected range: 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:*:*:*:*:*:*
microsoft / exchange_server_subscription_edition
Version / affected range: * · before (exclusive) 15.02.2562.043
cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:*

References

secure@microsoft.com

Last enrichment sync: 12-Oct-2026 01:45
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-45501: a vulnerability in Microsoft Exchange Kaspersky Reports Rising Vulnerability Disclosures and Early Exploit Releases in Q2 2026

CVE (26)

People (2)

Vendors (2)

Products (15)

Tools (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.