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CVE-2016-3379

Cross-site scripting (XSS) vulnerability in Microsoft Exchange Server 2016 Cumulative Update 1 and 2 allows remote attackers to inject arbitrary web script or HTML via a meeting-invitation request, aka "Microsoft Exchange Elevation of Privilege Vulnerability."

Severity
Medium 6.1
Published
14 Sept 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
8.2% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2016-cumulative_update_1
  • Version 2016-cumulative_update_2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-3379
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-3379