CVE detail
CVE-2026-6539
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
- https://www.vulncheck.com/advisories/notepad-format-string-injection-via-nativelang-xmlwww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comApr 30, 2026, 9:16 PM - https://notepad-plus-plus.org/news/v894-released/notepad-plus-plus.org
No excerpt available.
Vendor Advisorynotepad-plus-plus.orgApr 30, 2026, 9:16 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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