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CVE-2026-58052

7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, lett
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e86a912940fc675682b07382e267f40cdbdb2f476090502339c07b626574b337
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"7-Zip","vendor":"7-Zip","versions":[{"lessThanOrEqual":"26.01","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-693","description":"CWE-693 Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"Proof of Concept","tags":["exploit","third-party-advisory"],"url":"https://github.com/bikini/exploitarium/tree/main/7zip-rar5-motw-chain-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/references/0
{"name":"7-Zip source (ip7z/7zip)","tags":["product"],"url":"https://github.com/ip7z/7zip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/references/1
{"name":"VulnCheck Advisory: 7-Zip - Mark-of-the-Web Bypass via RAR5 Alternate Data Stream Name Collision","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/7-zip-mark-of-the-web-bypass-via-rar5-alternate-data-stream-name-collision"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eaf31ae014374fe1934a40b9d435d7c80216855acc19b1a2c2aaa4619cfa26c9 · sha256:f6bd9d804378e758… · /containers/cna/references/2

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.

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