CVE-2016-7153

medium Microsoft
CVSS v3 Base Score
5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
1.3%
Exploitation probability in 30 days
Top 21% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Published: September 6, 2016 (3538 days ago)
Last Modified: May 6, 2026
Vendor: Microsoft
Source: NVD

Description

The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.

CWE

CWE-200

Affected Products

microsoft edgemicrosoft internet explorergoogle chromeapple safariopera opera browsermozilla firefox

References

🔗 arstechnica.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 www.securitytracker.com 🔗 www.securitytracker.com