CVE-2026-50298: Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.

mediumCVSS 6.8CVE-2026-50298

Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 6.8
Published: 2026-07-14
Last updated: 2026-07-16
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50298

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-502980.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50298	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

critical[NEW] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund
unknownexploitedNCSC-2026-0231 [1.00] [M/H] Vulnerabilities fixed in Microsoft Windowsncsc-nl
mediumCVE-2026-50298: Windows Spaceport.sys Elevation of Privilege Vulnerabilitymsrc

Recent advisories for Integer overflow or

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-65423: An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may all…nvd · 2026-07-30
highCVE-2026-63559: An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may all…nvd · 2026-07-30
highCVE-2026-16529: A signed integer overflow in the PCP __pmGetPDU() function can be exploited via crafted networ…nvd · 2026-07-30
highCVE-2026-17881: Integer overflow in WebXR in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to…nvd · 2026-07-30
criticalCVE-2026-17848: Integer overflow in Codecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker t…nvd · 2026-07-30
criticalCVE-2026-17726: Integer overflow in WebGL in Google Chrome on Android prior to 151.0.7922.72 allowed a remote …nvd · 2026-07-30