PULSEUnderground Intel

LIVE0signals / 24h

FEED

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CVE WatchJul 20, 2026

CVE-2026-50357

Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

CVSS

7.8

High

EPSS

0.3%

p26

KEV

—

Exploit Today

8

0-100

Published: Jul 14, 2026 · Last modified: Jul 20, 2026 · CWE-197

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-08-182026-09-14

Technical description

Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50357

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-875299.6 CRI

——12Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)6d CVE-2026-785128.8 HIG

——17Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.7d CVE-2026-698227.8 HIG

——7Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.7d CVE-2026-695787.0 HIG

——3Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges locally.1d CVE-2026-695357.8 HIG

——5Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.7d CVE-2026-695128.0 HIG

——16Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.7d