Dashboard / CVE-2026-87692

CVE-2026-87692

HIGH
MEDIUM Priority: 0.13 BB Relevance: 41/100
Published: 2026-10-13 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0 < 15.01.2507.077
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0 < 15.01.2507.077
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 < 15.02.1544.050
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 < 15.02.1544.050
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 < 15.02.2562.056
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 < 15.02.2562.056

References & Advisories (1)

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

1.68%
Raw Score 0.016830
Percentile 76.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.01683
2026-10-28
0.01683

Intelligence Sources

mitre ref →

External Links