CVE-2026-45504

⚠️ high

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

CVSS Score

8.8

High

EPSS Score

0.4

Exploit Probability

Published Date

2026-06-09

First Seen: 2026-06-10

This CVE is High Risk - more severe than 81.1% of all 328,009 vulnerabilities in our database.

#62,016

Top 25% most severe

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-06-15

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-918

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
microsoft	exchange_server	Affected	< 15.02.2562.043
microsoft	exchange_server	Affected	v2016
microsoft	exchange_server	Affected	v2019

Vendor Advisory

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-45501	🔶 medium	6.5	0.3	Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows...	2026-06-09
CVE-2026-45502	🔶 medium	5.0	0.4	Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information ov...	2026-06-09
CVE-2026-45503	⚠️ high	8.1	0.4	Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information ov...	2026-06-09
CVE-2026-47631	⚠️ high	8.1	0.2	Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows...	2026-06-09
CVE-2026-42897	⚠️ high	8.1	2.5	Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows...	2026-05-14
CVE-2026-21527	🔶 medium	6.5	9.5	User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attack...	2026-02-10

These CVEs affect the same products