CVE•Published 2026-06-09•Modified 2026-07-28•1 article on news•5 live references•NVD data

CVE-2026-45504Microsoft · Exchange_server

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 46% of all CVEs

Weaknesses (CWE)

CWE-918Server-Side Request Forgery (SSRF)

Description

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

Timeline

Published 2026-06-09

Modified 2026-07-28

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.

Shodan · vuln tag

vuln:CVE-2026-45504

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Microsoft Exchange Server" version:"2016"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Exchange Server"

HTTP body or banner mentions "Exchange Server" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-45504