CVE-2021-28310High KEVConfirmedExploit available
MSR
MSR
Microsoft Security Response Center
The Security Update Guide is the source of truth for vulnerabilities in Microsoft products — KB article numbers, impacted builds and replacement patches. MSRC also assigns the MSRC-specific exploitability index used alongside CVSS.
Region
US
Updates
Patch Tuesday + ad-hoc
License
Proprietary
Microsoft's Security Update Guide, covering Windows, Office, Azure, SQL Server, Exchange and other first-party products.
https://msrc.microsoft.com/update-guide →Share link
Anyone with the link can open this vulnerability.
Win32k Elevation of Privilege Vulnerability
CVSS
7.8
High
EPSS
0.54
p98
Published
2021-01-01
Updated
2021-11-03
Description
Win32k Elevation of Privilege Vulnerability
Tags · CWE
KEV
CWE-787
CWE-787BaseDraft
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html →Open in CWE collection →Affected products
Windows_10_1803Windows_10_1809Windows_10_1909Windows_10_2004Windows_10_20h2Windows_server_1909Windows_server_2004Windows_server_2019Windows_server_20h2
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Timeline
2021-01-01
Published
2021-11-03
Added to KEV
2021-11-03
Updated
CVSS 3.1 breakdown
Attack Vector
AV: L
Local (L)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.540 · p98
Known exploited (KEV)
Yes
Known exploits — Сканер-ВС
CVE-2021-28310
github-poc · https://github.com/Rafael-Svechinskaya/IOC_for_CVE-2021-28310
Affected software
| Product | Vendor | Status |
|---|---|---|
| windows_10_1803 | * | Exploited |
| windows_10_1809 | * | Exploited |
| windows_10_1909 | * | Exploited |
| windows_10_2004 | * | Exploited |
| windows_10_20h2 | * | Exploited |
| windows_server_1909 | * | Exploited |
| windows_server_2004 | * | Exploited |
| windows_server_2019 | * | Exploited |
| windows_server_20h2 | * | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
| Windows | Microsoft | Exploited |
Source databases
MSR
MSR
Microsoft Security Response Center
The Security Update Guide is the source of truth for vulnerabilities in Microsoft products — KB article numbers, impacted builds and replacement patches. MSRC also assigns the MSRC-specific exploitability index used alongside CVSS.
Region
US
Updates
Patch Tuesday + ad-hoc
License
Proprietary
Microsoft's Security Update Guide, covering Windows, Office, Azure, SQL Server, Exchange and other first-party products.
https://msrc.microsoft.com/update-guide →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →Related vulnerabilities