SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-0121

Uniscribe in Microsoft Windows Vista SP2, 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, and 1607, and Windows Server 2016 allows remote attackers to obtain…

EXPLOIT ✓MEDIUM 4.3EPSS 42.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 42.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Uniscribe in Microsoft Windows Vista SP2, 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, and 1607, and Windows Server 2016 allows remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Uniscribe Information Disclosure Vulnerability." CVE-2017-0085, CVE-2017-0091, CVE-2017-0092, CVE-2017-0111, CVE-2017-0112, CVE-2017-0113, CVE-2017-0114, CVE-2017-0115, CVE-2017-0116, CVE-2017-0117, CVE-2017-0118, CVE-2017-0119, CVE-2017-0120, CVE-2017-0122, CVE-2017-0123, CVE-2017-0124, CVE-2017-0125, CVE-2017-0126, CVE-2017-0127, and CVE-2017-0128.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
42.12% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 20 March 2017
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows vista
Source
secure@microsoft.com
EPSS trend
0%23%45%21 September 2026: 38.19%22 September 2026: 42.12%27 October 2026: 42.12%21 September 202627 October 2026

EPSS moved from 38.2% on 21 September 2026 to 42.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-41655source ↗Microsoft Windows - Uniscribe Font Processing Multiple Heap Out-of-Bounds and Wild Reads (MS17-011)windows · Google Security Researchdos20 March 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.