HOMEVULNERABILITIESCVE-2019-10044
HIGH

CVE-2019-10044

NVD-CWE-noinfoPublished: March 25, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.

NVD Source

Technical Analysis

CVE-2019-10044 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Microsoft1 product(s)
windows
telegram2 product(s)
telegramtelegram desktop
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/107610
ADVISORYhttps://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txt
ADVISORYhttp://www.securityfocus.com/bid/107610
ADVISORYhttps://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txt

All References (4)

→
http://www.securityfocus.com/bid/107610Third Party Advisory · VDB Entry
→
https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploit · Third Party Advisory
→
http://www.securityfocus.com/bid/107610Third Party Advisory · VDB Entry
→
https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2019-10044
CVSS Score8.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedMar 25, 2019

Related CVEs (NVD-CWE-noinfo)

CVE-2017-14469
10.0
CVE-2017-14470
10.0
CVE-2016-4787
10.0
CVE-2017-3324
10.0
CVE-2018-4872
10.0
CVE-2017-14471
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-10044 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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