Dashboard / CVE-2026-62817

CVE-2026-62817

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

Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.

Weakness Classification (1)

Affected Software (29)

VendorProductVersion
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9121
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5499
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5499
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
microsoft windows_10_1809 < 10.0.17763.9121
microsoft windows_10_1809 < 10.0.17763.9121
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_2019 < 10.0.17763.9121
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