Dashboard / CVE-2026-69356

CVE-2026-69356

CRITICAL
INFO Priority: 0.07 BB Relevance: 69/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Changed
C: High
I: High
A: None

Description

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.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0 < 15.01.2507.073
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 < 15.02.1544.046
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0 < 15.02.1748.051
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 < 15.02.2562.049

References & Advisories (1)

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

9.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.76%
Raw Score 0.007560
Percentile 55.1%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links