2021-33776 | Microsoft HEVC Video Extensions Privilege Escalation
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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A vulnerability, which was classified as critical, was found in Microsoft HEVC Video Extensions (version unknown). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
HEVC Video Extensions Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31947, CVE-2021-33775, CVE-2021-33777, CVE-2021-33778.
The weakness was released 07/13/2021 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2021-33776 since 05/28/2021. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation needs a authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/17/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 6.9
VulDB Base Score: 8.0
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Patch
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
05/28/2021 CVE assigned
07/13/2021 +46 days Advisory disclosed
07/13/2021 +0 days Countermeasure disclosed
07/14/2021 +0 days VulDB entry created
07/17/2021 +3 days VulDB last updateVendor: https://www.microsoft.com/
CVE: CVE-2021-33776 (🔒)
Created: 07/14/2021 08:06
Updated: 07/17/2021 09:58
Changes: (2) source_cve_assigned source_cve_nvd_summary
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