CVE-2022-21841
published 2022-01-11CVE-2022-21841: Microsoft Excel Remote Code Execution Vulnerability
PriorityP341high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
2.59%
83.6th percentile
Microsoft Excel Remote Code Execution Vulnerability
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_365_apps_for_enterprise | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_2013_service_pack_1 | >= 15.0.0 < 15.0.5415.1000 | 15.0.5415.1000 |
| microsoft | microsoft_office_2016 | >= 16.0.0 < 16.0.5266.1000 | 16.0.5266.1000 |
| microsoft | microsoft_office_2019 | >= 19.0.0 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_2019_for_mac | >= 16.0.0 < 16.57.22011101 | 16.57.22011101 |
| microsoft | microsoft_office_ltsc_2021 | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_for_mac_2021 | >= 16.0.1 < 16.57.22011101 | 16.57.22011101 |
| microsoft | office | — | — |
| microsoft | office | — | — |
| microsoft | office | — | — |
| microsoft | office_long_term_servicing_channel | — | — |
| msrc | microsoft_365_apps_for_enterprise_for_32-bit_systems | — | — |
| msrc | microsoft_365_apps_for_enterprise_for_64-bit_systems | — | — |
| msrc | microsoft_office_2013_rt_service_pack_1 | — | — |
| msrc | microsoft_office_2013_service_pack_1 | — | — |
| msrc | microsoft_office_2016 | — | — |
| msrc | microsoft_office_2019_for_32-bit_editions | — | — |
| msrc | microsoft_office_2019_for_64-bit_editions | — | — |
| msrc | microsoft_office_2019_for_mac | — | — |
| msrc | microsoft_office_ltsc_2021_for_32-bit_editions | — | — |
| msrc | microsoft_office_ltsc_2021_for_64-bit_editions | — | — |
| msrc | microsoft_office_ltsc_for_mac_2021 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
vendor_msrc7.8HIGH
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Microsoft
Microsoft Excel Remote Code Execution Vulnerability
vendor_msrc·2022-01-11·CVSS 7.8
CVE-2022-21841 [HIGH] Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
FAQ: Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
FAQ: Are the updates for the Microsoft Office for Mac currently available?
The security update for Microsoft Office 2019 for Mac and Microsoft Office LTSC for Mac 2021 are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.
Microsoft Office Excel: Microsoft Office Excel
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely
Remedia
GHSA
GHSA-5m54-9cp2-p93x: Microsoft Excel Remote Code Execution Vulnerability
ghsa_unreviewed·2022-01-12
CVE-2022-21841 [HIGH] GHSA-5m54-9cp2-p93x: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability.
No detection rules found.
No public exploits indexed.
Talos
Threat Source Newsletter (Jan. 13, 2022)
blogs_talos·2022-01-13
Threat Source Newsletter (Jan. 13, 2022)
## Threat Source Newsletter (Jan. 13, 2022)
Good afternoon, Talos readers.
Move out of the way, Log4j! Traditional malware is back with a bang in 2022. While Log4j is likely still occupying many defenders' minds, the bad guys are still out there doing not-Log4j things. We have new research out on a campaign spreading three different remote access tools (RATs) using public internet infrastructures like Amazon Web Services and Microsoft Azure Sphere.
If you're looking to unwind after all the Log4j madness, we also have a new Beers with Talos episode that's one of our more laid-back productions. We, unfortunately, said goodbye to Joel, but it was not without tequila and discussions about "Rent."
## Cybersecurity week in review
A well-known Iranian state-sponsored actor is exploiting the
Talos
Threat Source Newsletter (Jan. 13, 2022)
blogs_talos·2022-01-13
Threat Source Newsletter (Jan. 13, 2022)
Good afternoon, Talos readers.
Move out of the way, Log4j! Traditional malware is back with a bang in 2022. While Log4j is likely still occupying many defenders' minds, the bad guys are still out there doing not-Log4j things. We have new research out on a campaign spreading three different remote access tools (RATs) using public internet infrastructures like Amazon Web Services and Microsoft Azure Sphere.
If you're looking to unwind after all the Log4j madness, we also have a new Beers with Talos episode that's one of our more laid-back productions. We, unfortunately, said goodbye to Joel, but it was not without tequila and discussions about "Rent."
## Cybersecurity week in review
- A well-known Iranian state-sponsored actor is exploiting the widespread Log4j vulnerability to deliver a
Talos
Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities
blogs_talos·2022-01-11·CVSS 8.3
CVE-2022-21840 [HIGH] Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update Tuesday, disclosing 102 vulnerabilities across its large collection of hardware and software. This is the largest amount of vulnerabilities Microsoft has disclosed in a monthly security update in eight months, however, none of the issues have been exploited in the wild, according to Microsoft.
2022’s first security update features nine critical vulnerabilities, with all but one of the remaining being considered “important.” CVE-2022-21840 is one of the critical vulnerabilities, an issue in Microsoft Office that could allow an attacker to execute remote code on the targeted machine. CVE-2022-21841, CVE-2022-21837 and CVE-2022-21842 are also remote code execution vulnerabilities in the Office suite of products, though they are only rated as “im
Talos
Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities
blogs_talos·2022-01-11·CVSS 8.3
[HIGH] Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update Tuesday, disclosing 102 vulnerabilities across its large collection of hardware and software. This is the largest amount of vulnerabilities Microsoft has disclosed in a monthly security update in eight months, however, none of the issues have been exploited in the wild, according to Microsoft.
2022’s first security update features nine critical vulnerabilities, with all but one of the remaining being considered “important.” CVE-2022-21840 is one of the critical vulnerabilities, an issue in Microsoft Office that could allow an attacker to execute remote code on the targeted machine. CVE-2022-21841 , CVE-2022-21837 and CVE-2022-21842 are also remote code execu
2022-01-11
Published