Known vulnerabilities in WhatsApp Messenger for iOS

Vendor: WhatsApp
Software: WhatsApp Messenger for iOS
Software CPE: cpe:2.3:a:whatsapp:whatsapp_for_ios:*:*:*:*:*:*:*:*
Website: https://www.whatsapp.com/
Total vulnerabilities: 9
Public exploits: 0
Known exploited (KEV): 1
Highest CVSSv4 Score: 8.7

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting WhatsApp Messenger for iOS WhatsApp Messenger for iOS is affected by 9 known vulnerabilities: 7 high, 2 medium Critical High Medium Low

Vulnerabilities (9)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU130236 - Improper input validation
CVE-2026-23866		 CWE-20 High
No
No
 26.15.72 06.05.2026 SB2026050625
#VU118645 - Improper input validation
CVE-2025-55179		 CWE-20 Medium
No
No
 25.23.73 20.11.2025 SB2025112027
#VU114603 - Improper Authorization
CVE-2025-55177		 CWE-285 High
No
Exploited
 25.21.73 01.09.2025 SB2025090130
#VU67634 - Integer underflow
CVE-2022-27492		 CWE-191 High
No
No
 2.22.16.12 26.09.2022 SB2022092605
#VU67633 - Integer overflow
CVE-2022-36934		 CWE-190 High
No
No
 2.22.16.12 26.09.2022 SB2022092605
#VU46540 - Out-of-bounds write
CVE-2020-1894		 CWE-787 High
No
No
 2.20.30 09.09.2020 SB2020090920
#VU46539 - Out-of-bounds write
CVE-2020-1891		 CWE-787 Medium
No
No
 2.20.20 09.09.2020 SB2020090922
#VU22807 - Integer overflow
CVE-2019-11927		 CWE-190 High
No
No
 2.19.100 17.11.2019 SB2019092727
#VU22805 - Stack-based buffer overflow
CVE-2019-11931		 CWE-121 High
No
No
 2.19.100 17.11.2019 SB2019111701