Search/CVE-2026-69356
● CVE — Critical

CVE-2026-69356

VendormicrosoftProductexchange server, exchange server subscription editionDiscoveredSep 8, 2026UpdatedSep 30, 2026

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

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CVSS v3.1
9.3 CRITICAL
EPSS
0.76%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports5
5 intelligence reports available

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EPSS Trend
Sep 10, 2026 → Oct 2, 2026
▲ 0.06pp
0.70% → 0.76% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Connections
6 relationships
Timeline
disclosure → media coverage
Sep 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 30, 2026
Sep 8, 2026
advisories.ncsc.nl reports: NCSC-2026-0349 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Exchange server