Report: Update: CVE-2026-6539 - Notepad++ 8.9.3 Format String Injection via nativeLang.xml

Report: Update: CVE-2026-6539 - Notepad++ 8.9.3 Format String Injection via nativeLang.xml

CVE ID :CVE-2026-6539 Published : April 30, 2026, 8:31 p.m. | 49 minutes ago Description :Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents. Severity: 4.6 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
Published
April 30, 2026
Impact: denial of service