Dashboard / CVE-2026-85884

CVE-2026-85884

HIGH 1 PoC
MEDIUM Priority: 0.03 BB Relevance: 51/100
Published: 2026-10-13 Modified: 2026-10-29 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

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

Weakness Classification (1)

Affected Software (9)

VendorProductVersion
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9711
microsoft windows_11_24h2 < 10.0.26100.9711
microsoft windows_11_24h2 < 10.0.26100.9711
microsoft windows_11_25h2 < 10.0.26200.9711
microsoft windows_11_25h2 < 10.0.26200.9711
microsoft windows_11_26h1 < 10.0.28000.3231
microsoft windows_11_26h1 < 10.0.28000.3231
microsoft windows_11_26h2 < 10.0.26300.9711
microsoft windows_11_26h2 < 10.0.26300.9711

References & Advisories (1)

Proof of Concept (1)

★ 36
https://github.com/Beardhammer/CVE-2026-85884
nomi-sec

Bug Bounty Relevance

51 / 100
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

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

0.45%
Raw Score 0.004460
Percentile 38.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00446
2026-10-28
0.00446

Intelligence Sources

mitre ref →
nvd ref →

External Links