VulnSocial

CVE-2026-45501Patch(microsoft / exchange_server)

LOWCVSS 6.1 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft exchange_server systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-918CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • exchange_server
  • exchange_server_subscription_edition

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
exchange_serverexchange_server_subscription_edition

2 versions affected across 2 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-09: 1Patch / Workaround · 2026-06-09: 106-09
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Patch

    🪟 Exchange spoofing CVE-2026-45501 = another reminder that “security fixes” are just the inbox whack-a-mole. Patch fast; spoofing doesn’t need exploits, just trust. #Windows #Microsoft #Exchange #PatchTuesday https://windowsforum.com/threads/cve-2026-45501-exchange-spoofing-patch-tuesday-guidance-and-action-steps.424498/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SecurityUpdates #PatchTuesday https://t.co/1ViAFAvtxk

    Post summary

    The post urges quick patching of CVE‑2026‑45501, noting it is an Exchange spoofing flaw that can be mitigated without exploits.

    0000023
    1.2K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftexchange_server2016--
Appmicrosoftexchange_server2019--
Appmicrosoftexchange_server2019--
Appmicrosoftexchange_server_subscription_edition---

Explore more

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