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CVE-2026-94506

MEDIUM 6.5

Published 2026-10-13 · Last modified 2026-10-25

Out-of-bounds read in Microsoft Office Access allows an unauthorized attacker to disclose information over a network.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.9%chance of exploitation in 30 days · 61st percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

6.5CVSS 3.1 · MEDIUM

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

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Data snapshot:

Affected

Vendors Microsoft

Products Microsoft 365 Apps For Enterprise Microsoft Office Ltsc 2021 Microsoft Office Ltsc 2024 365 Apps Office 2021 Office 2024

Weakness (CWE)

  • CWE-125: : Out-of-bounds Read

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References and research data (JSON)

Known Affected Software Configurations

VendorProductVersion range
Microsoft365 Apps*
Microsoft365 Apps*
MicrosoftOffice 2021*
MicrosoftOffice 2021*
MicrosoftOffice 2024*
MicrosoftOffice 2024*

All CVSS metrics

  • MEDIUM 6.5 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
  • MEDIUM 6.5 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Patches & mitigations

Advisories

Sources: NVD · CVE.org · EPSS