CVE-2022-41080
Microsoft Exchange Server: Privilege Escalation
As of , CVE-2022-41080 in Microsoft Exchange Server is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 10 January 2023
- US federal deadline
- 31 January 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.77Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.02 on 10 January 2023EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: msrc.microsoft.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. This vulnerability is chainable with CVE-2022-41082, which allows for remote code execution.
CISA's description
Microsoft Exchange Server Elevation of Privilege Vulnerability
The CVE record's description, from microsoft
- CVE published
- 9 November 2022
- Assigned by
- microsoft
- CVSS
- 8.8 High (CVSS 3.1, from the CNA)
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Exchange Server: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2023-21529Deserialization of Untrusted Data | Microsoft Exchange Server | Patch nowRansomware use, listed within a year | 0.59 | ||
| CVE-2020-0688Validation Key Remote Code Execution | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2022-41040Server-Side Request Forgery | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2022-41082Remote Code Execution | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-26855Remote Code Execution | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-27065Remote Code Execution | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-31207Security Feature Bypass | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-34473Remote Code Execution | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-34523Privilege Escalation | Microsoft Exchange Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-33766Information Disclosure | Microsoft Exchange Server | Patch this weekEPSS 0.98 | 0.98 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org