Dashboard / CVE-2026-83838

CVE-2026-83838

HIGH
MEDIUM Priority: 0.04 BB Relevance: 51/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacker to elevate privileges over an adjacent network.

Weakness Classification (1)

Affected Software (25)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
microsoft windows_10_1607 < 10.0.14393.9612
microsoft windows_10_1607 < 10.0.14393.9612
microsoft windows_10_1809 < 10.0.17763.9376
microsoft windows_10_1809 < 10.0.17763.9376
microsoft windows_10_21h2 < 10.0.19044.7807
microsoft windows_10_21h2 < 10.0.19044.7807
microsoft windows_10_21h2 < 10.0.19044.7807
microsoft windows_10_22h2 < 10.0.19045.7807
microsoft windows_10_22h2 < 10.0.19045.7807
microsoft windows_10_22h2 < 10.0.19045.7807
microsoft windows_11_23h2 < 10.0.22631.7652
microsoft windows_11_23h2 < 10.0.22631.7652
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
microsoft windows_server_2016 < 10.0.14393.9612
microsoft windows_server_2019 < 10.0.17763.9376
microsoft windows_server_2022 < 10.0.20348.5761
microsoft windows_server_2025 < 10.0.26100.33650

References & Advisories (1)

Bug Bounty Relevance

51 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

8.0 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.55%
Raw Score 0.005540
Percentile 46.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00554
2026-10-28
0.00554

Intelligence Sources

mitre ref →
nvd ref →

External Links