CVE-2023-32046KEV · OVERDUE

Windows MSHTML Platform Elevation of Privilege Vulnerability

High · published July 11, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 95.6th percentile for exploit probability.

1179
days past CISA
deadline
CVSS v3.1
7.8
EPSS
10%
Percentile
95.6
In the wild
Confirmed
What it is

🚨 Elevation of privilege? Yup, it’s happening! A sneaky little flaw in the Windows MSHTML platform lets attackers gain higher access rights, and it’s already seen in the wild! 🔥 Think of it as a guest at a party who somehow finds their way into the VIP section without a bracelet — they can access areas they shouldn’t, mingle with the important folks, and potentially wreak havoc! If exploited, an attacker could elevate their privileges, allowing them to execute arbitrary code with higher system rights, risking sensitive data exposure and potentially compromising the entire system. This is not just a harmless pranking; it could lead to full control of the device!

Put simply

Think of it as a guest at a party who somehow finds their way into the VIP section without a bracelet — they can access areas they shouldn’t, mingle with the important folks, and potentially wreak havoc! This vulnerability involves the MSHTML platform, where an attacker can exploit improper validation to elevate their privileges and execute malicious code. It essentially allows them to slip past security measures that are designed to keep them out.

What to do

If exploited, an attacker could elevate their privileges, allowing them to execute arbitrary code with higher system rights, risking sensitive data exposure and potentially compromising the entire system. This is not just a harmless pranking; it could lead to full control of the device! Make sure to apply the latest security updates from Microsoft, specifically targeting the version that addresses this vulnerability. Regularly audit and enhance your security policies to mitigate risks from unauthorized privilege escalation. Don't wait — the clock is ticking! You've got this! By acting quickly, you can protect your systems and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.10049 · 95.6th percentile
Published
2023-07-11T17:02Z
KEV added
2023-07-11 · due 2023-08-01
EPSS history
Timeline
  • 11 JUL 17:02Z
    Windows MSHTML Platform Elevation of Privilege Vulnerability
    cvelistv5
  • 11 JUL 00:00Z
    Added to CISA KEV — remediate by Aug 1
    kev