Indicators are what attackers leave behind. Stolen credentials are what they arrive with.
1 IOC
PoC Released for Microsoft Exchange SSRF Flaw That Lets Low-Privileged Users Read Files
Excerpt
A newly disclosed server-side request forgery (SSRF) vulnerability in Microsoft Exchange Server 2019, tracked as CVE-2026-45504, allows any authenticated, low-privileged user to read arbitrary files from the server without additional authorization. Security researcher Batuhan Er of the HawkTrace team published the technical breakdown along with a working proof-of-concept (PoC), assigning the flaw a CVSS score of 8.8. The vulnerability, an SSRF-driven file-read issue, affects…
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| Type | Indicator | Confidence | Score | First Seen |
|---|---|---|---|---|
| CVE | CVE-2026-45504 | Medium | Score 58/100 | First seen |
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