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CVE-2026-110058 Microsoft Office Access Remote Code Execution Vulnerability

8.8 highEPSS 0.9%

High (8.8) in microsoft. EPSS 0.9% estimated probability of exploitation activity in the next 30 days.

On this page
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.9% estimated probability of exploitation activity in the next 30 days; 62nd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-122 Heap-based Buffer Overflow
Published
Modified
Assigned by
microsoft (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • microsoft:microsoft 365 apps for enterprise
  • microsoft:microsoft office ltsc 2021
  • microsoft:microsoft office ltsc 2024

Versions

From the CNA's record in the CVE List.

ProductAffected
Microsoft 365 Apps for Enterprisefrom 16.0.1 before https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021from 16.0.1 before 16.0.14334.21048
Microsoft Office LTSC 2024from 16.0.0 before 16.0.17932.21140

Attack patterns (CAPEC)

  • CAPEC-92 Forced Integer Overflow Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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