CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $0-$5k | 0.00 |
A vulnerability has been found in Microsoft HEVC Video Extensions (the affected version is unknown) and classified as critical. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 02/08/2022 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2022-21926. 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 $0-$5k (estimation calculated on 02/12/2022).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.4
VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍
CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Remote Code ExecutionCWE: Unknown
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/14/2021 🔍02/08/2022 🔍
02/08/2022 🔍
02/08/2022 🔍
02/12/2022 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2022-21926 (🔍)
Entry
Created: 02/08/2022 20:53Updated: 02/12/2022 08:54
Changes: 02/08/2022 20:53 (34), 02/08/2022 20:56 (18), 02/12/2022 08:49 (2), 02/12/2022 08:54 (11)
Complete: 🔍
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