Dashboard / CVE-2026-62816

CVE-2026-62816

HIGH
MEDIUM Priority: 0.05 BB Relevance: 63/100
Published: 2026-08-11 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

Weakness Classification (2)

Affected Software (25)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9418
microsoft windows_10_1607 < 10.0.14393.9418
microsoft windows_10_1607 < 10.0.14393.9418
microsoft windows_10_1809 < 10.0.17763.9115
microsoft windows_10_1809 < 10.0.17763.9115
microsoft windows_10_21h2 < 10.0.19044.7663
microsoft windows_10_21h2 < 10.0.19044.7663
microsoft windows_10_21h2 < 10.0.19044.7663
microsoft windows_10_22h2 < 10.0.19045.7663
microsoft windows_10_22h2 < 10.0.19045.7663
microsoft windows_10_22h2 < 10.0.19045.7663
microsoft windows_11_23h2 < 10.0.22631.7517
microsoft windows_11_23h2 < 10.0.22631.7517
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 < 10.0.14393.9418
microsoft windows_server_2019 < 10.0.17763.9115
microsoft windows_server_2022 < 10.0.20348.5440
microsoft windows_server_2025 < 10.0.26100.33222

References & Advisories (1)

Bug Bounty Relevance

63 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.53%
Raw Score 0.005350
Percentile 45.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00535
2026-10-28
0.00535

Intelligence Sources

mitre ref →

External Links