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MSRC compact vulnerability detail

CVE-2021-34500 · Windows Kernel Memory Information Disclosure Vulnerability

No description was published by MSRC.

Severity
Important
Impact
Information Disclosure
CVSS
6.3 base · 5.5 temporal
Release
2021-07-13
Signals
Windows Kernel Information Disclosure Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
No CWE data published.
Patch Diff
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Resolved binary override
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Description
No description was published by MSRC.
FAQ / Articles
FAQ
What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Guest VM to Hyper-V host server - virtualization security boundary.
FAQ
What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is memory from the file cache. This could include unintentional read access to memory contents in kernel space from a user mode process, and on a Hyper-V server this could result in Guest VM to Hyper-V host server memory content disclosure.
FAQ
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.