CVE-2026-108457

HIGH
MEDIUM Priority: 0.06 BB Relevance: 66/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.

Weakness Classification (1)

Affected Software (11)

VendorProductVersion
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7807
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_server_2022 < 10.0.20348.5761
microsoft windows_server_2025 < 10.0.26100.33650

References & Advisories (1)

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.76%
Raw Score 0.007630
Percentile 55.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00763
2026-10-28
0.00763

Intelligence Sources

mitre ref →
nvd ref →