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Microsoft Office Word Information Disclosure Vulnerability

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 58 Views

Off-by-one error in Microsoft Office Word allows local unauthorized information disclosure.

Related
Detection
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Microsoft Word Office Suites Microsoft 365 Apps Disclosure
14 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-66806
11 Aug 202619:01
–circl
cve
CVE
CVE-2026-66806
11 Aug 202617:07
–cve
cvelist
Cvelist
CVE-2026-66806 Microsoft Office Word Information Disclosure Vulnerability
11 Aug 202617:07
–cvelist
euvd
EUVD
EUVD-2026-56748
11 Aug 202617:07
–euvd
mskb
Microsoft KB
Description of the security update for Word 2016: August 11, 2026 (KB5002901)
20 Aug 202614:00
–mskb
ncsc
NCSC
vulnerabilities present in Microsoft Office
27 Aug 202610:23
–ncsc
nvd
NVD
CVE-2026-66806
11 Aug 202617:19
–nvd
ptsecurity
Positive Technologies
PT-2026-70705
11 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-66806: Off-by-one Error
11 Aug 202600:00
–rapid7
Rows per page
Vulners
Node
OR
microsoftword_2016Range<16.0.5565.1000
microsoftoffice_2024Range<16.0.17932.20910ltscx64
microsoftoffice_2024Range<16.0.17932.20910ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx64
microsoft365_appsRange<16.0.20228.20190current_channelenterprisex64
microsoft365_appsRange<16.0.20228.20188monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20131.20206monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20026.20266monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20186semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20131.20206semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20190current_channelenterprisex32
microsoft365_appsRange<16.0.20228.20188monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20131.20206monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20026.20266monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20228.20186semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20131.20206semi-annual_enterprise_channelenterprisex32
microsoftoffice_2019Range<16.0.10417.20197x64
microsoftoffice_2019Range<16.0.10417.20197x32
microsoftword_2016Range<16.0.5565.1000

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11 Aug 2026 14:00Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00435
SSVC
58