The MHTML protocol handler in a component of Microsoft Outlook Express 5.5 SP2 and 6 through SP1, and Windows Mail, does not assign the correct Internet Explorer Security Zone to UNC share pathnames, which allows remote attackers to bypass intended access restrictions and read arbitrary files via an mhtml: URI in conjunction with a redirection, aka "URL Parsing Cross-Domain Information Disclosure Vulnerability."
Published Aug 13, 2008
7.1
HIGHCVSS 2.0
EPSS 26.63%
Description
The MHTML protocol handler in a component of Microsoft Outlook Express 5.5 SP2 and 6 through SP1, and Windows Mail, does not assign the correct Internet Explorer Security Zone to UNC share pathnames, which allows remote attackers to bypass intended access restrictions and read arbitrary files via an mhtml: URI in conjunction with a redirection, aka "URL Parsing Cross-Domain Information Disclosure Vulnerability."
Affected products
No data.
- 5.5
- 6.0
- 6.0
- 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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 26.63% (0.26630) | 97.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.63% (0.26630) | 97.76th | v5 (v2026.06.15) |
| Jun 1, 2025 | 45.54% (0.45538) | 97.46th | v4 (v2025.03.14) |
| Mar 30, 2025 | 46.65% (0.46647) | 97.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 58.10% (0.58104) | 97.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 46.65% (0.46647) | 97.38th | v4 (v2025.03.14) |
| Feb 23, 2025 | 54.27% (0.54271) | 97.82th | v3 (v2023.03.01) |
| Jan 15, 2025 | 52.91% (0.52911) | 97.75th | v3 (v2023.03.01) |
| Dec 17, 2024 | 54.93% (0.54925) | 97.76th | v3 (v2023.03.01) |
| Dec 12, 2024 | 92.34% (0.92339) | 99.10th | v3 (v2023.03.01) |
| May 4, 2024 | 92.61% (0.92608) | 98.98th | v3 (v2023.03.01) |
| Feb 22, 2024 | 94.84% (0.94842) | 99.20th | v3 (v2023.03.01) |
| Jan 16, 2024 | 94.37% (0.94366) | 99.03th | v3 (v2023.03.01) |
| Dec 10, 2023 | 95.02% (0.95024) | 99.11th | v3 (v2023.03.01) |
| Nov 6, 2023 | 95.54% (0.95541) | 99.19th | v3 (v2023.03.01) |
| Oct 2, 2023 | 95.68% (0.95681) | 99.20th | v3 (v2023.03.01) |
| Aug 26, 2023 | 95.54% (0.95536) | 99.13th | v3 (v2023.03.01) |
| Jul 20, 2023 | 95.76% (0.95764) | 99.15th | v3 (v2023.03.01) |
| Jun 12, 2023 | 96.13% (0.96126) | 99.22th | v3 (v2023.03.01) |
| May 3, 2023 | 96.61% (0.96606) | 99.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.40% (0.96399) | 99.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 20.65% (0.20648) | 96.51th | v2 (v2022.01.01) |
| Apr 1, 2022 | 20.65% (0.20648) | 96.20th | v2 (v2022.01.01) |
| Feb 4, 2022 | 20.65% (0.20648) | 94.08th | v2 (v2022.01.01) |
References (11)
- http://marc.info/?l=bugtraq&m=121915960406986&w=2 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/31415 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://www.coresecurity.com/content/internet-explorer-zone-elevation x_refsource_MISC
- http://www.securityfocus.com/archive/1/495458/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/30585 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1020679 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1020680 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA08-225A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2008/2352 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-048 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5886 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.