HIGH
A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office
Published Jul 11, 2018
7.5
HIGHCVSS 3.0
EPSS 5.72%
Description
A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office.
Affected products
-
- Version 2010 Service Pack 2 (32-bit editions)StatusaffectedConstraints-
- Version 2010 Service Pack 2 (64-bit editions)StatusaffectedConstraints-
- Version 2016 Click-to-Run (C2R) for 32-bit editionsStatusaffectedConstraints-
- Version 2016 Click-to-Run (C2R) for 64-bit editionsStatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2 (32-bit editions)StatusaffectedConstraints-
- Version 2010 Service Pack 2 (64-bit editions)StatusaffectedConstraints-
- Version 2013 RT Service Pack 1StatusaffectedConstraints-
- Version 2013 Service Pack 1 (32-bit editions)StatusaffectedConstraints-
- Version 2013 Service Pack 1 (64-bit editions)StatusaffectedConstraints-
- Version 2016 (32-bit edition)StatusaffectedConstraints-
- Version 2016 (64-bit edition)StatusaffectedConstraints-
- 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 Office | n/a |
| ||||||||||||||||||||||||
| Microsoft | Microsoft Word | 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.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.72% 0.05719
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05719
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.72% (0.05719) | 92.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.36% (0.05359) | 91.58th | v5 (v2026.06.15) |
| Jun 13, 2026 | 11.99% (0.11989) | 93.96th | v4 (v2025.03.14) |
| Apr 2, 2026 | 13.30% (0.13303) | 94.14th | v4 (v2025.03.14) |
| Dec 27, 2025 | 10.91% (0.10914) | 93.20th | v4 (v2025.03.14) |
| Nov 29, 2025 | 8.57% (0.08569) | 92.06th | v4 (v2025.03.14) |
| Nov 2, 2025 | 7.25% (0.07251) | 91.25th | v4 (v2025.03.14) |
| Oct 30, 2025 | 5.47% (0.05474) | 89.74th | v4 (v2025.03.14) |
| Jul 5, 2025 | 7.47% (0.07474) | 91.31th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.51% (0.05515) | 89.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.07% (0.23067) | 93.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.40% (0.06404) | 90.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00255) | 65.87th | v3 (v2023.03.01) |
| Jun 6, 2024 | 0.26% (0.00255) | 65.40th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.26% (0.00255) | 63.39th | v3 (v2023.03.01) |
| Dec 1, 2023 | 0.24% (0.00242) | 61.89th | v3 (v2023.03.01) |
| Aug 8, 2023 | 0.39% (0.00386) | 69.68th | v3 (v2023.03.01) |
| Jul 4, 2023 | 0.39% (0.00392) | 69.66th | v3 (v2023.03.01) |
| May 16, 2023 | 0.40% (0.00402) | 69.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00571) | 74.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Oct 31, 2022 | 6.42% (0.06416) | 90.76th | v2 (v2022.01.01) |
| May 23, 2022 | 5.85% (0.05853) | 89.68th | v2 (v2022.01.01) |
| Apr 16, 2022 | 5.27% (0.05274) | 88.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.79% (0.04794) | 88.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.79% (0.04794) | 74.58th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.76% (0.08756) | 86.41th | v1 |
| Jan 6, 2022 | 8.76% (0.08756) | 86.25th | v1 |
| Sep 1, 2021 | 8.76% (0.08756) | 93.70th | v1 |
| Apr 14, 2021 | 8.76% (0.08756) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/104615 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041274 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104615 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041274 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jul 11, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8310
CISA Vulnrichment
Updated n/a