Uniscribe in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gol
Uniscribe in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, Windows Server 2016, Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office Word Viewer, Microsoft Lync 2013 SP1, Skype for Business 2016, Microsoft Silverlight 5 Developer Runtime when installed on Microsoft Windows, and Microsoft Silverlight 5 when installed on Microsoft Windows allows a remote code execution vulnerability due to the way it handles objects in memory, aka "Windows Uniscribe Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8528.
- Published
- Jun 14, 2017
- Updated
- Jun 16, 2026
- EPSS
- 39.0% · 99th percentile
- CWE
- —
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Report tools
Action score
47
Plan
Add it to your regular patch cycle.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 12 / 30 · 39.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | lync | cpe:2.3:a:microsoft:lync |
| microsoft | office | cpe:2.3:a:microsoft:office |
| microsoft | office word viewer | cpe:2.3:a:microsoft:office_word_viewer |
| microsoft | silverlight | cpe:2.3:a:microsoft:silverlight |
| microsoft | skype for business | cpe:2.3:a:microsoft:skype_for_business |
| microsoft | windows 10 | cpe:2.3:o:microsoft:windows_10 |
| microsoft | windows 7 | cpe:2.3:o:microsoft:windows_7 |
| microsoft | windows 8.1 | cpe:2.3:o:microsoft:windows_8.1 |
| microsoft | windows server 2008 | cpe:2.3:o:microsoft:windows_server_2008 |
| microsoft | windows server 2012 | cpe:2.3:o:microsoft:windows_server_2012 |
| microsoft | windows server 2016 | cpe:2.3:o:microsoft:windows_server_2016 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft windows server 2008all versions
- microsoft windows server 2008r2
- microsoft windows server 2012all versions
- microsoft windows server 2012r2
- microsoft windows server 2016all versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft Corporation Uniscribe
- Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, Windows Server 2016, Microsoft Office 2007 SP3, Microsoft affected
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2013-1302Microsoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows r44Plan
- CVE-2012-1849Untrusted search path vulnerability in Microsoft Lync 2010, 2010 Attendee, and 2010 Attendant allows local users to gain privileges via a Tr43Plan
- CVE-2020-1025Microsoft Office Elevation of Privilege Vulnerability41Plan
- CVE-2017-8527Graphics in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold41Plan
- CVE-2018-8311A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted 40Plan
- CVE-2017-11786Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reu38Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2017-06-23 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+8 d
- TodaySep 30, 2026+3394 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/98920
- www.securitytracker.com/id/1038675
- 0patch.blogspot.com/2017/07/0patching-quick-brown-fox-of-cve-2017.html
- bugs.chromium.org/p/project-zero/issues/detail?id=1198
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0283
- www.exploit-db.com/exploits/42234/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.