CVE-2026-45504High· 8.8▾ MidnightPoC availableServer-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 48.4 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Jul 28.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.8%
1 GitHub repo
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
exchange_server = 2016exchange_server = 2019exchange_server_subscription_edition < 15.02.2562.043Upgrade past the affected range:
exchange_server_subscription_edition 15.02.2562.043Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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