CVE-2026-69477
Microsoft Office Access Remote Code Execution Vulnerability
CVE-2026-69477 is a high vulnerability (CVSS 7.3) in Microsoft Access, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.
- Severity
- 7.3 HighCVSS 3.1, CVE List
- Exploit chance
- 0.43%EPSS, 37th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
- Record
CVE-2026-69477- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-122
- Updated
- 2026-11-10
EUVDEUVD-2026-73717
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
- Record
EUVD-2026-73717- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-8rwg-jwgw-wfj5
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute...
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
- Record
GHSA-8rwg-jwgw-wfj5- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
NVD
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
- Record
CVE-2026-69477- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | EUVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.