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CVE-2026-1182078.8High

CVE-2026-118207: Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft · Microsoft Exchange Server Subscription Edition RTM

Vendor fix available · Affected: Microsoft Exchange Server Subscription Edition RTM · Exploitation: not established

ExploitationNot established

Not in CISA KEV as of catalogue 2026.11.10 (10 Nov)

  1. In CISA KEV: not seen
  2. Exploited (reported): not seen
  3. Scanning observed: not seen
  4. Proof of concept public: not seen
  5. Not establishedNothing in the sources we check

No EPSS score yet. The score appears once FIRST publishes it.

8.8HighCVSS
LowHigh

DescriptionNVD

Improper input validation in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

Coverage1 article · 1 outlet

First in our coverage: Dark Reading, 10 Nov.

  1. Microsoft fixes 1,093 flaws as Outlook zero day remains active
    Dark Reading · first in our coverage · mentions it in passing

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References

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