CVE-2026-27930

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 36/100
Published: 2026-04-14 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

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

Description

Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

Weakness Classification (1)

Affected Software (25)

VendorProductVersion
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_11_23h2 < 10.0.22631.6936
microsoft windows_11_23h2 < 10.0.22631.6936
microsoft windows_11_24h2 < 10.0.26100.8246
microsoft windows_11_24h2 < 10.0.26100.8246
microsoft windows_11_25h2 < 10.0.26200.8246
microsoft windows_11_25h2 < 10.0.26200.8246
microsoft windows_11_26h1 < 10.0.28000.1836
microsoft windows_11_26h1 < 10.0.28000.1836
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 < 10.0.14393.9060
microsoft windows_server_2019 < 10.0.17763.8644
microsoft windows_server_2022 < 10.0.20348.5020
microsoft windows_server_2022_23h2 < 10.0.25398.2274
microsoft windows_server_2025 < 10.0.26100.32690

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.38%
Raw Score 0.003840
Percentile 32.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00384
2026-10-28
0.00384

Intelligence Sources

nvd ref →