CVE-2026-108457

HIGHCVSS 8.1/10EPSS 0.69%

Last modified

CVE-2026-108457 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability
0.69%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7807
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7807
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5761
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33650
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33650

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-108457?
Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-108457?
CVE-2026-108457 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.
How do I fix CVE-2026-108457?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST