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High 8.1Published Oct 13, 2026
CVE-2026-108457Microsoft Windows PDF Remote Code Execution Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Windows 10 Version 21H2 and 4 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.69%, higher than 52% of scored CVEs.
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Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
- CVSS
- 8.1 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.69% (percentile 52)
- Assigned by
- microsoft
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2 | from 10.0.19044.0 before 10.0.19044.7807 | CNA record |
Microsoft Windows 10 Version 22H2 microsoft:windows_10_22h2 | from 10.0.19045.0 before 10.0.19045.7807 | CNA record |
Microsoft Windows 11 version 23H2 microsoft:windows_11_23h2 | from 10.0.22631.0 before 10.0.22631.7652 | CNA record |
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name) | from 10.0.20348.0 before 10.0.20348.5761 | CNA record |
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name) | from 10.0.26100.0 before 10.0.26100.33650 | CNA record |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108457vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.