7.8 High

Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker…

CVE-2026-97798

Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Proof-of-concept code is published

Public PoC

Public PoCG4sp4rCS/CVE-2026-97798-exploit34 stars
Public PoCj0wii/CVE-2026-97798_LPE_Windows

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Assessment

CVSS: 7.8 (v3.1)
Severity: High
EPSS: 0.37% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Public PoC
Published: 13 October 2026
Last updated: 30 October 2026
Affected: Microsoft
Assigner: microsoft

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

At the source

EUVD (ENISA)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97798

Community proofs of concept

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