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CVE-2026-108457

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-108457

Key Details

CVECVE-2026-108457
CVSS Score / Version
8.1 (High) / CVSS v3.1
Updated2026-10-13
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Microsoft Windows 11 (version 23H2), Microsoft Windows Server 2025, Microsoft Windows 10 (version 21H2), Microsoft Windows 10 (version 22H2), and Microsoft Windows Server 2022
Classified as
CWE-787 (Out-of-bounds Write)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows Server 2025
MicrosoftWindows 10 (version 21H2)
MicrosoftWindows 10 (version 22H2)
MicrosoftWindows Server 2022
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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

What to Do

Monitor Microsoft's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-108457
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-108457

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