NCSC-2026-0349

csafNLncsc_nl

NLShown in its original language — a full translation is planned for a future version.

Kwetsbaarheden verholpen in Microsoft Exchange server

view advisory published 2026-09-08

Microsoft heeft 9 kwetsbaarheden verholpen in Exchange Server.

01

describes (9)

Related CVEs.

IDseverity exploitable
CVE-2026-69641UScritical9.1OT elevated—
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-69382USmedium5.9OT elevated—
Use of a broken or risky cryptographic algorithm in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
CVE-2026-69380UShigh8.1OT elevated—
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-69378UShigh7.5—
Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.
CVE-2026-69375USmedium6.5—
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
CVE-2026-69361USmedium6.5—
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
CVE-2026-69356UScritical9.3—
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…
CVE-2026-69355UShigh8.8—
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
CVE-2026-55007UShigh8.1—
Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
02

references

External citations — patches, advisories, analysis.

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