Microsoft Office Remote Code Execution Vulnerability
Published Jun 9, 2026
8.4
HIGHCVSS 3.1
EPSS 0.36%
Description
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected products
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- Version 16.0.1StatusaffectedConstraints<https://aka.ms/OfficeSecurityReleases
- Version
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- Version 16.0.0StatusaffectedConstraints<16.0.5556.1005
- Version
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- Version 19.0.0StatusaffectedConstraints<https://aka.ms/OfficeSecurityReleases
- Version
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- Version 1.0.0StatusaffectedConstraints<16.110.26061317
- Version
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- Version 16.0.1StatusaffectedConstraints<https://aka.ms/OfficeSecurityReleases
- Version
-
- Version 16.0.0StatusaffectedConstraints<https://aka.ms/OfficeSecurityReleases
- Version
-
- Version 16.0.1StatusaffectedConstraints<16.110.26061317
- Version
-
- Version 16.0.0StatusaffectedConstraints<16.110.26061317
- Version
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- Version 16.0.1StatusaffectedConstraints<16.0.20131.20024
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | n/a |
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| Microsoft | Microsoft Office 2016 | n/a |
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| Microsoft | Microsoft Office 2019 | n/a |
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| Microsoft | Microsoft Office 365 for Mac | n/a |
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| Microsoft | Microsoft Office LTSC 2021 | n/a |
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| Microsoft | Microsoft Office LTSC 2024 | n/a |
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| Microsoft | Microsoft Office LTSC for Mac 2021 | n/a |
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| Microsoft | Microsoft Office LTSC for Mac 2024 | n/a |
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| Microsoft | Microsoft Office for Android | n/a |
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- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jun 10, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Jun–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00364) | 27.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.32% (0.00318) | 23.30th | v5 (v2026.06.15) |
| Jun 10, 2026 | 0.06% (0.00060) | 19.04th | v4 (v2025.03.14) |
References (1)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45461 vendor-advisorypatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45461 | vendor-advisorypatchVendor Advisory |
Change history (0)
No recorded changes yet.