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CVE-2026-40421

🗓️ 13 May 2026 20:23:29Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 22 Views

External control of a file name or path in Microsoft Word enables information disclosure over a network.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40421
12 May 202616:58
–attackerkb
bdu_fstec
BDU FSTEC
Microsoft Word File Path Traversal
14 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-40421
12 May 202615:53
–circl
cnnvd
CNNVD
Microsoft Word security vulnerabilities
12 May 202600:00
–cnnvd
cve
CVE
CVE-2026-40421
12 May 202616:58
–cve
cvelist
Cvelist
CVE-2026-40421 Microsoft Word Information Disclosure Vulnerability
12 May 202616:58
–cvelist
euvd
EUVD
EUVD-2026-29678
12 May 202618:30
–euvd
mskb
Microsoft KB
Description of the security update for Word 2016: May 12, 2026 (KB5002858)
12 May 202614:00
–mskb
kaspersky
Kaspersky
KLA91035 Multiple vulnerabilities in Microsoft Office
12 May 202600:00
–kaspersky
mscve
Microsoft CVE
Microsoft Word Information Disclosure Vulnerability
12 May 202614:00
–mscve
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01 Jun 2026 22:03Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.14.3
EPSS0.00704
SSVC
22