CVE-2021-1694
published 2021-01-12CVE-2021-1694: Windows Update Stack Elevation of Privilege Vulnerability
PriorityP351critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.25%
86.9th percentile
Windows Update Stack Elevation of Privilege Vulnerability
Affected
46 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1607 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1803 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1809 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1909 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_2004 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < publication | publication |
| microsoft | windows_7 | >= 6.1.0 < publication | publication |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < publication | publication |
| microsoft | windows_8.1 | >= 6.3.0 < publication | publication |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.0.0 < publication | publication |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.0 < publication | publication |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.0 < publication | publication |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.0 < publication | publication |
| microsoft | windows_server_2012_r2 | >= 6.3.0 < publication | publication |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
vendor_msrc7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Windows Update Stack Elevation of Privilege Vulnerability
vendor_msrc·2021-01-12·CVSS 7.5
CVE-2021-1694 [HIGH] Windows Update Stack Elevation of Privilege Vulnerability
Windows Update Stack Elevation of Privilege Vulnerability
FAQ: What is the attack vector for this vulnerability?
To exploit this vulnerability, an attacker would need to launch a machine-in-the-middle (MITM) attack against the traffic passing between a domain controller and the target machine.
Windows Update Stack: Windows Update Stack
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4598245
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4598230
Reference: https://support.microsoft.com/help/4598230
GHSA
GHSA-qffp-p88c-5r7v: Windows Update Stack Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2021-1694 [CRITICAL] CWE-269 GHSA-qffp-p88c-5r7v: Windows Update Stack Elevation of Privilege Vulnerability
Windows Update Stack Elevation of Privilege Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-01-12
Published