CVE Explorer
CVE-2026-20841
Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code locally.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Windows Notepad","vendor":"Microsoft","versions":[{"lessThan":"11.2512.26.0","status":"affected","version":"11.0.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:74b89a89d57bf1dde338e62858c009bb2cc63504cab8292080eb4b325f2551ab · sha256:3f85746d2c905b4b… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:74b89a89d57bf1dde338e62858c009bb2cc63504cab8292080eb4b325f2551ab · sha256:3f85746d2c905b4b… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en-US","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:74b89a89d57bf1dde338e62858c009bb2cc63504cab8292080eb4b325f2551ab · sha256:3f85746d2c905b4b… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"Windows Notepad App Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74b89a89d57bf1dde338e62858c009bb2cc63504cab8292080eb4b325f2551ab · sha256:3f85746d2c905b4b… · /containers/cna/references/0
{"url":"https://news.ycombinator.com/item?id=46971516"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:74b89a89d57bf1dde338e62858c009bb2cc63504cab8292080eb4b325f2551ab · sha256:3f85746d2c905b4b… · /containers/adp/1/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.